18392412733 has 2 divisors, whose sum is σ = 18392412734. Its totient is φ = 18392412732.

The previous prime is 18392412713. The next prime is 18392412739. The reversal of 18392412733 is 33721429381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9423943929 + 8968468804 = 97077^2 + 94702^2 .

It is a cyclic number.

It is not a de Polignac number, because 18392412733 - 2³³ = 9802478141 is a prime.

It is a super-2 number, since 2×18392412733² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18392412733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18392412739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9196206366 + 9196206367.

It is an arithmetic number, because the mean of its divisors is an integer number (9196206367).

Almost surely, 2^18392412733 is an apocalyptic number.

It is an amenable number.

18392412733 is a deficient number, since it is larger than the sum of its proper divisors (1).

18392412733 is an equidigital number, since it uses as much as digits as its factorization.

18392412733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The spelling of 18392412733 in words is "eighteen billion, three hundred ninety-two million, four hundred twelve thousand, seven hundred thirty-three".