321472645140364 has 12 divisors (see below), whose sum is σ = 595669901289624. Its totient is φ = 151281244771904.

The previous prime is 321472645140221. The next prime is 321472645140373. The reversal of 321472645140364 is 463041546274123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2363769449494 + ... + 2363769449629.

It is an arithmetic number, because the mean of its divisors is an integer number (49639158440802).

Almost surely, 2^{321472645140364} is an apocalyptic number.

321472645140364 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

321472645140364 is a deficient number, since it is larger than the sum of its proper divisors (274197256149260).

321472645140364 is a wasteful number, since it uses less digits than its factorization.

321472645140364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727538899144 (or 4727538899142 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 321472645140364 in words is "three hundred twenty-one trillion, four hundred seventy-two billion, six hundred forty-five million, one hundred forty thousand, three hundred sixty-four".