65393910384 has 80 divisors (see below), whose sum is σ = 188786916864. Its totient is φ = 19333004800.

The previous prime is 65393910377. The next prime is 65393910389. The reversal of 65393910384 is 48301939356.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65393910389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488744 + ... + 1532039.

Almost surely, 2^65393910384 is an apocalyptic number.

It is an amenable number.

65393910384 is an abundant number, since it is smaller than the sum of its proper divisors (123393006480).

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

65393910384 is a wasteful number, since it uses less digits than its factorization.

65393910384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020846 (or 3020840 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 65393910384 in words is "sixty-five billion, three hundred ninety-three million, nine hundred ten thousand, three hundred eighty-four".