65344544634 has 16 divisors (see below), whose sum is σ = 136371223872. Its totient is φ = 20834492448.

The previous prime is 65344544599. The next prime is 65344544641. The reversal of 65344544634 is 43644544356.

It is a super-3 number, since 3×65344544634³ (a number of 33 digits) contains 333 as substring.

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, 236755459 + ... + 236755734.

It is an arithmetic number, because the mean of its divisors is an integer number (8523201492).

Almost surely, 2^65344544634 is an apocalyptic number.

65344544634 is an abundant number, since it is smaller than the sum of its proper divisors (71026679238).

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

65344544634 is a wasteful number, since it uses less digits than its factorization.

65344544634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473511221.

The product of its digits is 8294400, while the sum is 48.

The spelling of 65344544634 in words is "sixty-five billion, three hundred forty-four million, five hundred forty-four thousand, six hundred thirty-four".