501268952499 has 16 divisors (see below), whose sum is σ = 784482686208. Its totient is φ = 278697795552.

The previous prime is 501268952491. The next prime is 501268952521. The reversal of 501268952499 is 994259862105.

It is not a de Polignac number, because 501268952499 - 2³ = 501268952491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501268952491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322566117 + ... + 322567670.

It is an arithmetic number, because the mean of its divisors is an integer number (49030167888).

Almost surely, 2^501268952499 is an apocalyptic number.

501268952499 is a deficient number, since it is larger than the sum of its proper divisors (283213733709).

501268952499 is a wasteful number, since it uses less digits than its factorization.

501268952499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645133834.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 501268952499 in words is "five hundred one billion, two hundred sixty-eight million, nine hundred fifty-two thousand, four hundred ninety-nine".