18367995924139 has 2 divisors, whose sum is σ = 18367995924140. Its totient is φ = 18367995924138.

The previous prime is 18367995924029. The next prime is 18367995924167. The reversal of 18367995924139 is 93142959976381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18367995924139 - 2⁷ = 18367995924011 is a prime.

It is not a weakly prime, because it can be changed into another prime (18367995927139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9183997962069 + 9183997962070.

It is an arithmetic number, because the mean of its divisors is an integer number (9183997962070).

Almost surely, 2^{18367995924139} is an apocalyptic number.

18367995924139 is a deficient number, since it is larger than the sum of its proper divisors (1).

18367995924139 is an equidigital number, since it uses as much as digits as its factorization.

18367995924139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793618560, while the sum is 76.

The spelling of 18367995924139 in words is "eighteen trillion, three hundred sixty-seven billion, nine hundred ninety-five million, nine hundred twenty-four thousand, one hundred thirty-nine".