73997963013 has 32 divisors (see below), whose sum is σ = 109950825600. Its totient is φ = 43953590016.

The previous prime is 73997962991. The next prime is 73997963041. The reversal of 73997963013 is 31036979937.

It is not a de Polignac number, because 73997963013 - 2⁸ = 73997962757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73997963513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4693698 + ... + 4709436.

It is an arithmetic number, because the mean of its divisors is an integer number (3435963300).

Almost surely, 2^73997963013 is an apocalyptic number.

It is an amenable number.

73997963013 is a deficient number, since it is larger than the sum of its proper divisors (35952862587).

73997963013 is a wasteful number, since it uses less digits than its factorization.

73997963013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19941.

The product of its (nonzero) digits is 5786802, while the sum is 57.

The spelling of 73997963013 in words is "seventy-three billion, nine hundred ninety-seven million, nine hundred sixty-three thousand, thirteen".