3480347693761 has 3 divisors (see below), whose sum is σ = 3480349559331. Its totient is φ = 3480345828192.

The previous prime is 3480347693741. The next prime is 3480347693783. The reversal of 3480347693761 is 1673967430843.

The square root of 3480347693761 is 1865569.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1755012903361 + 1725334790400 = 1324769^2 + 1313520^2 .

It is not a de Polignac number, because 3480347693761 - 2²³ = 3480339305153 is a prime.

It is a super-2 number, since 2×3480347693761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3480347693761.

It is not an unprimeable number, because it can be changed into a prime (3480347693741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 932785 + ... + 2798353.

It is an arithmetic number, because the mean of its divisors is an integer number (1160116519777).

Almost surely, 2^{3480347693761} is an apocalyptic number.

3480347693761 is the 1865569-th square number.

3480347693761 is the 932785-th centered octagonal number.

It is an amenable number.

3480347693761 is a deficient number, since it is larger than the sum of its proper divisors (1865570).

3480347693761 is an frugal number, since it uses more digits than its factorization.

3480347693761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731138 (or 1865569 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 61.

The spelling of 3480347693761 in words is "three trillion, four hundred eighty billion, three hundred forty-seven million, six hundred ninety-three thousand, seven hundred sixty-one".