83153895993 has 12 divisors (see below), whose sum is σ = 137269923648. Its totient is φ = 47516511960.

The previous prime is 83153895991. The next prime is 83153896019. The reversal of 83153895993 is 39959835138.

83153895993 is a `hidden beast` number, since 8 + 3 + 1 + 5 + 38 + 9 + 599 + 3 = 666.

It is not a de Polignac number, because 83153895993 - 2¹ = 83153895991 is a prime.

It is a super-2 number, since 2×83153895993² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1319903111 = 83153895993 / (8 + 3 + 1 + 5 + 3 + 8 + 9 + 5 + 9 + 9 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 83153895993.

It is not an unprimeable number, because it can be changed into a prime (83153895991) 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 11 ways as a sum of consecutive naturals, for example, 659951493 + ... + 659951618.

It is an arithmetic number, because the mean of its divisors is an integer number (11439160304).

Almost surely, 2^83153895993 is an apocalyptic number.

It is an amenable number.

83153895993 is a deficient number, since it is larger than the sum of its proper divisors (54116027655).

83153895993 is a wasteful number, since it uses less digits than its factorization.

83153895993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319903124 (or 1319903121 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The spelling of 83153895993 in words is "eighty-three billion, one hundred fifty-three million, eight hundred ninety-five thousand, nine hundred ninety-three".