65265742764 has 48 divisors (see below), whose sum is σ = 170850301440. Its totient is φ = 21544027920.

The previous prime is 65265742699. The next prime is 65265742781. The reversal of 65265742764 is 46724756256.

65265742764 is a `hidden beast` number, since 6 + 5 + 2 + 6 + 574 + 2 + 7 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 65265742764.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922432 + ... + 2944679.

It is an arithmetic number, because the mean of its divisors is an integer number (3559381280).

Almost surely, 2^65265742764 is an apocalyptic number.

It is an amenable number.

65265742764 is an abundant number, since it is smaller than the sum of its proper divisors (105584558676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65265742764 is a wasteful number, since it uses less digits than its factorization.

65265742764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867227 (or 5867219 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 65265742764 in words is "sixty-five billion, two hundred sixty-five million, seven hundred forty-two thousand, seven hundred sixty-four".