47231873613 has 24 divisors (see below), whose sum is σ = 71275178520. Its totient is φ = 30101097600.

The previous prime is 47231873609. The next prime is 47231873639. The reversal of 47231873613 is 31637813274.

47231873613 is a `hidden beast` number, since 4 + 7 + 23 + 1 + 8 + 7 + 3 + 613 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26369537769 + 20862335844 = 162387^2 + 144438^2 .

It is not a de Polignac number, because 47231873613 - 2² = 47231873609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47231873603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869506 + ... + 922227.

It is an arithmetic number, because the mean of its divisors is an integer number (2969799105).

Almost surely, 2^47231873613 is an apocalyptic number.

It is an amenable number.

47231873613 is a deficient number, since it is larger than the sum of its proper divisors (24043304907).

47231873613 is a wasteful number, since it uses less digits than its factorization.

47231873613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791869 (or 1791866 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 47231873613 in words is "forty-seven billion, two hundred thirty-one million, eight hundred seventy-three thousand, six hundred thirteen".