18392377793 has 2 divisors, whose sum is σ = 18392377794. Its totient is φ = 18392377792.

The previous prime is 18392377763. The next prime is 18392377849. The reversal of 18392377793 is 39777329381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13575046144 + 4817331649 = 116512^2 + 69407^2 .

It is a cyclic number.

It is not a de Polignac number, because 18392377793 - 2¹⁴ = 18392361409 is a prime.

It is not a weakly prime, because it can be changed into another prime (18392377763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9196188896 + 9196188897.

It is an arithmetic number, because the mean of its divisors is an integer number (9196188897).

Almost surely, 2^18392377793 is an apocalyptic number.

It is an amenable number.

18392377793 is a deficient number, since it is larger than the sum of its proper divisors (1).

18392377793 is an equidigital number, since it uses as much as digits as its factorization.

18392377793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12002256, while the sum is 59.

The spelling of 18392377793 in words is "eighteen billion, three hundred ninety-two million, three hundred seventy-seven thousand, seven hundred ninety-three".