321607838404 has 6 divisors (see below), whose sum is σ = 562813717214. Its totient is φ = 160803919200.

The previous prime is 321607838347. The next prime is 321607838407. The reversal of 321607838404 is 404838706123.

It can be written as a sum of positive squares in only one way, i.e., 173929034304 + 147678804100 = 417048^2 + 384290^2 .

It is not an unprimeable number, because it can be changed into a prime (321607838407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40200979797 + ... + 40200979804.

Almost surely, 2^321607838404 is an apocalyptic number.

It is an amenable number.

321607838404 is a deficient number, since it is larger than the sum of its proper divisors (241205878810).

321607838404 is a wasteful number, since it uses less digits than its factorization.

321607838404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80401959605 (or 80401959603 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 321607838404 in words is "three hundred twenty-one billion, six hundred seven million, eight hundred thirty-eight thousand, four hundred four".