18102087959 has 2 divisors, whose sum is σ = 18102087960. Its totient is φ = 18102087958.

The previous prime is 18102087907. The next prime is 18102087979. The reversal of 18102087959 is 95978020181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18102087959 - 2²⁴ = 18085310743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18102087979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9051043979 + 9051043980.

It is an arithmetic number, because the mean of its divisors is an integer number (9051043980).

Almost surely, 2^18102087959 is an apocalyptic number.

18102087959 is a deficient number, since it is larger than the sum of its proper divisors (1).

18102087959 is an equidigital number, since it uses as much as digits as its factorization.

18102087959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 18102087959 in words is "eighteen billion, one hundred two million, eighty-seven thousand, nine hundred fifty-nine".