36394846568 has 16 divisors (see below), whose sum is σ = 68242434660. Its totient is φ = 18196864000.

The previous prime is 36394846567. The next prime is 36394846591. The reversal of 36394846568 is 86564849363.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31024595044 + 5370251524 = 176138^2 + 73282^2 .

It is a super-2 number, since 2×36394846568² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36394846568.

It is not an unprimeable number, because it can be changed into a prime (36394846567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368018 + ... + 456318.

Almost surely, 2^36394846568 is an apocalyptic number.

It is an amenable number.

36394846568 is a deficient number, since it is larger than the sum of its proper divisors (31847588092).

36394846568 is a wasteful number, since it uses less digits than its factorization.

36394846568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139828 (or 139824 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 62.

The spelling of 36394846568 in words is "thirty-six billion, three hundred ninety-four million, eight hundred forty-six thousand, five hundred sixty-eight".