347490841961 has 4 divisors (see below), whose sum is σ = 347492025924. Its totient is φ = 347489658000.

The previous prime is 347490841883. The next prime is 347490841979. The reversal of 347490841961 is 169148094743.

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 2 ways, for example, as 320830483561 + 26660358400 = 566419^2 + 163280^2 .

It is a cyclic number.

It is not a de Polignac number, because 347490841961 - 2³⁴ = 330310972777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 347490841897 and 347490841906.

It is not an unprimeable number, because it can be changed into a prime (347490841261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214511 + ... + 860811.

It is an arithmetic number, because the mean of its divisors is an integer number (86873006481).

Almost surely, 2^347490841961 is an apocalyptic number.

It is an amenable number.

347490841961 is a deficient number, since it is larger than the sum of its proper divisors (1183963).

347490841961 is an equidigital number, since it uses as much as digits as its factorization.

347490841961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183962.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 347490841961 in words is "three hundred forty-seven billion, four hundred ninety million, eight hundred forty-one thousand, nine hundred sixty-one".