11418992639 has 2 divisors, whose sum is σ = 11418992640. Its totient is φ = 11418992638.

The previous prime is 11418992579. The next prime is 11418992657. The reversal of 11418992639 is 93629981411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11418992639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11418992659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5709496319 + 5709496320.

It is an arithmetic number, because the mean of its divisors is an integer number (5709496320).

Almost surely, 2^11418992639 is an apocalyptic number.

11418992639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11418992639 is an equidigital number, since it uses as much as digits as its factorization.

11418992639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 53.

The spelling of 11418992639 in words is "eleven billion, four hundred eighteen million, nine hundred ninety-two thousand, six hundred thirty-nine".