264318978986 has 16 divisors (see below), whose sum is σ = 397244661000. Its totient is φ = 131904184320.

The previous prime is 264318978941. The next prime is 264318979007. The reversal of 264318978986 is 689879813462.

It can be written as a sum of positive squares in 4 ways, for example, as 208374903361 + 55944075625 = 456481^2 + 236525^2 .

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614426 + ... + 6654266.

Almost surely, 2^264318978986 is an apocalyptic number.

264318978986 is a deficient number, since it is larger than the sum of its proper divisors (132925682014).

264318978986 is a wasteful number, since it uses less digits than its factorization.

264318978986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46169.

The product of its digits is 250822656, while the sum is 71.

The spelling of 264318978986 in words is "two hundred sixty-four billion, three hundred eighteen million, nine hundred seventy-eight thousand, nine hundred eighty-six".