86219733793 has 2 divisors, whose sum is σ = 86219733794. Its totient is φ = 86219733792.

The previous prime is 86219733791. The next prime is 86219733857. The reversal of 86219733793 is 39733791268.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79708534929 + 6511198864 = 282327^2 + 80692^2 .

It is a cyclic number.

It is not a de Polignac number, because 86219733793 - 2¹ = 86219733791 is a prime.

Together with 86219733791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86219733791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43109866896 + 43109866897.

It is an arithmetic number, because the mean of its divisors is an integer number (43109866897).

Almost surely, 2^86219733793 is an apocalyptic number.

It is an amenable number.

86219733793 is a deficient number, since it is larger than the sum of its proper divisors (1).

86219733793 is an equidigital number, since it uses as much as digits as its factorization.

86219733793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 58.

The spelling of 86219733793 in words is "eighty-six billion, two hundred nineteen million, seven hundred thirty-three thousand, seven hundred ninety-three".