69138686583 has 6 divisors (see below), whose sum is σ = 99866991744. Its totient is φ = 46092457716.

The previous prime is 69138686581. The next prime is 69138686623. The reversal of 69138686583 is 38568683196.

It is not a de Polignac number, because 69138686583 - 2¹ = 69138686581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69138686583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69138686581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3841038135 + ... + 3841038152.

It is an arithmetic number, because the mean of its divisors is an integer number (16644498624).

Almost surely, 2^69138686583 is an apocalyptic number.

69138686583 is a deficient number, since it is larger than the sum of its proper divisors (30728305161).

69138686583 is a wasteful number, since it uses less digits than its factorization.

69138686583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682076293 (or 7682076290 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 69138686583 in words is "sixty-nine billion, one hundred thirty-eight million, six hundred eighty-six thousand, five hundred eighty-three".