521327493604 has 24 divisors (see below), whose sum is σ = 933746784768. Its totient is φ = 254566656960.

The previous prime is 521327493587. The next prime is 521327493619. The reversal of 521327493604 is 406394723125.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2907577 + ... + 3081664.

It is an arithmetic number, because the mean of its divisors is an integer number (38906116032).

Almost surely, 2^521327493604 is an apocalyptic number.

It is an amenable number.

521327493604 is a deficient number, since it is larger than the sum of its proper divisors (412419291164).

521327493604 is a wasteful number, since it uses less digits than its factorization.

521327493604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989755 (or 5989753 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 521327493604 in words is "five hundred twenty-one billion, three hundred twenty-seven million, four hundred ninety-three thousand, six hundred four".