65364872491312 has 40 divisors (see below), whose sum is σ = 128791965157200. Its totient is φ = 32128245000192.

The previous prime is 65364872491307. The next prime is 65364872491319. The reversal of 65364872491312 is 21319427846356.

It is not an unprimeable number, because it can be changed into a prime (65364872491319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193971864 + ... + 194308552.

It is an arithmetic number, because the mean of its divisors is an integer number (3219799128930).

Almost surely, 2^{65364872491312} is an apocalyptic number.

It is an amenable number.

65364872491312 is a deficient number, since it is larger than the sum of its proper divisors (63427092665888).

65364872491312 is a wasteful number, since it uses less digits than its factorization.

65364872491312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542413 (or 542407 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 65364872491312 in words is "sixty-five trillion, three hundred sixty-four billion, eight hundred seventy-two million, four hundred ninety-one thousand, three hundred twelve".