18014417249 has 2 divisors, whose sum is σ = 18014417250. Its totient is φ = 18014417248.

The previous prime is 18014417219. The next prime is 18014417263. The reversal of 18014417249 is 94271441081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13087360000 + 4927057249 = 114400^2 + 70193^2 .

It is a cyclic number.

It is not a de Polignac number, because 18014417249 - 2²⁰ = 18013368673 is a prime.

It is not a weakly prime, because it can be changed into another prime (18014417219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9007208624 + 9007208625.

It is an arithmetic number, because the mean of its divisors is an integer number (9007208625).

Almost surely, 2^18014417249 is an apocalyptic number.

It is an amenable number.

18014417249 is a deficient number, since it is larger than the sum of its proper divisors (1).

18014417249 is an equidigital number, since it uses as much as digits as its factorization.

18014417249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 18014417249 in words is "eighteen billion, fourteen million, four hundred seventeen thousand, two hundred forty-nine".