5186688383721 has 24 divisors (see below), whose sum is σ = 7488633358080. Its totient is φ = 3191739959616.

The previous prime is 5186688383627. The next prime is 5186688383743. The reversal of 5186688383721 is 1273838866815.

It is not a de Polignac number, because 5186688383721 - 2²³ = 5186679995113 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5186688383761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34237675 + ... + 34388831.

It is an arithmetic number, because the mean of its divisors is an integer number (312026389920).

Almost surely, 2^{5186688383721} is an apocalyptic number.

It is an amenable number.

5186688383721 is a deficient number, since it is larger than the sum of its proper divisors (2301944974359).

5186688383721 is a wasteful number, since it uses less digits than its factorization.

5186688383721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218865 (or 218852 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 5186688383721 in words is "five trillion, one hundred eighty-six billion, six hundred eighty-eight million, three hundred eighty-three thousand, seven hundred twenty-one".