263382451264 has 21 divisors (see below), whose sum is σ = 522657699031. Its totient is φ = 131689172800.

The previous prime is 263382451249. The next prime is 263382451271. The reversal of 263382451264 is 462154283362.

The square root of 263382451264 is 513208.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 4073589 + ... + 4137739.

Almost surely, 2^263382451264 is an apocalyptic number.

263382451264 is the 513208-th square number.

It is an amenable number.

263382451264 is a deficient number, since it is larger than the sum of its proper divisors (259275247767).

263382451264 is an frugal number, since it uses more digits than its factorization.

263382451264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128314 (or 64153 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 263382451264 in words is "two hundred sixty-three billion, three hundred eighty-two million, four hundred fifty-one thousand, two hundred sixty-four".