331964828889604 has 27 divisors (see below), whose sum is σ = 587544930473557. Its totient is φ = 164115840144608.

The previous prime is 331964828889599. The next prime is 331964828889619. The reversal of 331964828889604 is 406988828469133.

The square root of 331964828889604 is 18219902.

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

It can be written as a sum of positive squares in only one way, i.e., 63744287936004 + 268220540953600 = 7984002^2 + 16377440^2 .

It is a super-2 number, since 2×331964828889604² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3243091377 + ... + 3243193735.

Almost surely, 2^{331964828889604} is an apocalyptic number.

331964828889604 is the 18219902-nd square number.

It is an amenable number.

331964828889604 is a deficient number, since it is larger than the sum of its proper divisors (255580101583953).

331964828889604 is an frugal number, since it uses more digits than its factorization.

331964828889604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204900 (or 102450 counting only the distinct ones).

The product of its (nonzero) digits is 3439853568, while the sum is 79.

The spelling of 331964828889604 in words is "three hundred thirty-one trillion, nine hundred sixty-four billion, eight hundred twenty-eight million, eight hundred eighty-nine thousand, six hundred four".