18074922413 has 2 divisors, whose sum is σ = 18074922414. Its totient is φ = 18074922412.

The previous prime is 18074922409. The next prime is 18074922449. The reversal of 18074922413 is 31422947081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9369659209 + 8705263204 = 96797^2 + 93302^2 .

It is a cyclic number.

It is not a de Polignac number, because 18074922413 - 2² = 18074922409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18074922013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9037461206 + 9037461207.

It is an arithmetic number, because the mean of its divisors is an integer number (9037461207).

Almost surely, 2^18074922413 is an apocalyptic number.

It is an amenable number.

18074922413 is a deficient number, since it is larger than the sum of its proper divisors (1).

18074922413 is an equidigital number, since it uses as much as digits as its factorization.

18074922413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 18074922413 in words is "eighteen billion, seventy-four million, nine hundred twenty-two thousand, four hundred thirteen".