321323696946 has 48 divisors (see below), whose sum is σ = 842462135424. Its totient is φ = 86406371712.

The previous prime is 321323696893. The next prime is 321323696977. The reversal of 321323696946 is 649696323123.

321323696946 is a `hidden beast` number, since 3 + 213 + 2 + 369 + 69 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 321323696892 and 321323696901.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75003390 + ... + 75007673.

It is an arithmetic number, because the mean of its divisors is an integer number (17551294488).

Almost surely, 2^321323696946 is an apocalyptic number.

321323696946 is an abundant number, since it is smaller than the sum of its proper divisors (521138438478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321323696946 is a wasteful number, since it uses less digits than its factorization.

321323696946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150011095 (or 150011092 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 54.

The spelling of 321323696946 in words is "three hundred twenty-one billion, three hundred twenty-three million, six hundred ninety-six thousand, nine hundred forty-six".