3047220605641 has 3 divisors (see below), whose sum is σ = 3047222351271. Its totient is φ = 3047218860012.

The previous prime is 3047220605633. The next prime is 3047220605647. The reversal of 3047220605641 is 1465060227403.

The square root of 3047220605641 is 1745629.

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., 1601310554041 + 1445910051600 = 1265429^2 + 1202460^2 .

It is not a de Polignac number, because 3047220605641 - 2³ = 3047220605633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3047220605594 and 3047220605603.

It is not an unprimeable number, because it can be changed into a prime (3047220605647) 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, 872815 + ... + 2618443.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740783757).

Almost surely, 2^{3047220605641} is an apocalyptic number.

3047220605641 is the 1745629-th square number.

3047220605641 is the 872815-th centered octagonal number.

It is an amenable number.

3047220605641 is a deficient number, since it is larger than the sum of its proper divisors (1745630).

3047220605641 is an frugal number, since it uses more digits than its factorization.

3047220605641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491258 (or 1745629 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 3047220605641 in words is "three trillion, forty-seven billion, two hundred twenty million, six hundred five thousand, six hundred forty-one".