873635023413 has 20 divisors (see below), whose sum is σ = 1310520256320. Its totient is φ = 579986418312.

The previous prime is 873635023403. The next prime is 873635023477. The reversal of 873635023413 is 314320536378.

873635023413 is a `hidden beast` number, since 8 + 7 + 3 + 635 + 0 + 2 + 3 + 4 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-873635023413 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873635023403) 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 19 ways as a sum of consecutive naturals, for example, 22544695 + ... + 22583412.

It is an arithmetic number, because the mean of its divisors is an integer number (65526012816).

Almost surely, 2^873635023413 is an apocalyptic number.

It is an amenable number.

873635023413 is a deficient number, since it is larger than the sum of its proper divisors (436885232907).

873635023413 is a wasteful number, since it uses less digits than its factorization.

873635023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45128358 (or 45128349 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 873635023413 in words is "eight hundred seventy-three billion, six hundred thirty-five million, twenty-three thousand, four hundred thirteen".