36565936965 has 24 divisors (see below), whose sum is σ = 63403519608. Its totient is φ = 19494890880.

The previous prime is 36565936963. The next prime is 36565936993. The reversal of 36565936965 is 56963956563.

36565936965 is a `hidden beast` number, since 3 + 6 + 565 + 9 + 3 + 6 + 9 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5250741444 + 31315195521 = 72462^2 + 176961^2 .

It is not a de Polignac number, because 36565936965 - 2¹ = 36565936963 is a prime.

It is a super-2 number, since 2×36565936965² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36565936963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15546 + ... + 270875.

It is an arithmetic number, because the mean of its divisors is an integer number (2641813317).

Almost surely, 2^36565936965 is an apocalyptic number.

It is an amenable number.

36565936965 is a deficient number, since it is larger than the sum of its proper divisors (26837582643).

36565936965 is a wasteful number, since it uses less digits than its factorization.

36565936965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289269 (or 289266 counting only the distinct ones).

The product of its digits is 118098000, while the sum is 63.

The spelling of 36565936965 in words is "thirty-six billion, five hundred sixty-five million, nine hundred thirty-six thousand, nine hundred sixty-five".