437968651264 has 33 divisors (see below), whose sum is σ = 875551934821. Its totient is φ = 218973736960.

The previous prime is 437968651259. The next prime is 437968651291. The reversal of 437968651264 is 462156869734.

The square root of 437968651264 is 661792.

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., 39757169664 + 398211481600 = 199392^2 + 631040^2 .

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, 21167004 + ... + 21187684.

Almost surely, 2^437968651264 is an apocalyptic number.

437968651264 is the 661792-nd square number.

It is an amenable number.

437968651264 is a deficient number, since it is larger than the sum of its proper divisors (437583283557).

437968651264 is an frugal number, since it uses more digits than its factorization.

437968651264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41382 (or 20683 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 437968651264 in words is "four hundred thirty-seven billion, nine hundred sixty-eight million, six hundred fifty-one thousand, two hundred sixty-four".