65213415992 has 32 divisors (see below), whose sum is σ = 122954700000. Its totient is φ = 32425671168.

The previous prime is 65213415941. The next prime is 65213416001. The reversal of 65213415992 is 29951431256.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3315884 + ... + 3335492.

It is an arithmetic number, because the mean of its divisors is an integer number (3842334375).

Almost surely, 2^65213415992 is an apocalyptic number.

It is an amenable number.

65213415992 is a deficient number, since it is larger than the sum of its proper divisors (57741284008).

65213415992 is a wasteful number, since it uses less digits than its factorization.

65213415992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21903 (or 21899 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The spelling of 65213415992 in words is "sixty-five billion, two hundred thirteen million, four hundred fifteen thousand, nine hundred ninety-two".