65380744465 has 32 divisors (see below), whose sum is σ = 83941608960. Its totient is φ = 48713570304.

The previous prime is 65380744459. The next prime is 65380744487. The reversal of 65380744465 is 56444708356.

It is a cyclic number.

It is not a de Polignac number, because 65380744465 - 2⁵ = 65380744433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9391656 + ... + 9398614.

It is an arithmetic number, because the mean of its divisors is an integer number (2623175280).

Almost surely, 2^65380744465 is an apocalyptic number.

It is an amenable number.

65380744465 is a deficient number, since it is larger than the sum of its proper divisors (18560864495).

65380744465 is a wasteful number, since it uses less digits than its factorization.

65380744465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 65380744465 in words is "sixty-five billion, three hundred eighty million, seven hundred forty-four thousand, four hundred sixty-five".