329370392464 has 15 divisors (see below), whose sum is σ = 638159583217. Its totient is φ = 164684048416.

The previous prime is 329370392443. The next prime is 329370392479. The reversal of 329370392464 is 464293073923.

The square root of 329370392464 is 573908.

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., 3338528400 + 326031864064 = 57780^2 + 570992^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2223894 + ... + 2367370.

Almost surely, 2^329370392464 is an apocalyptic number.

329370392464 is the 573908-th square number.

It is an amenable number.

329370392464 is a deficient number, since it is larger than the sum of its proper divisors (308789190753).

329370392464 is an frugal number, since it uses more digits than its factorization.

329370392464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286962 (or 143479 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 329370392464 in words is "three hundred twenty-nine billion, three hundred seventy million, three hundred ninety-two thousand, four hundred sixty-four".