18032025659 has 2 divisors, whose sum is σ = 18032025660. Its totient is φ = 18032025658.

The previous prime is 18032025559. The next prime is 18032025667. The reversal of 18032025659 is 95652023081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18032025659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (18032025559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9016012829 + 9016012830.

It is an arithmetic number, because the mean of its divisors is an integer number (9016012830).

Almost surely, 2^18032025659 is an apocalyptic number.

18032025659 is a deficient number, since it is larger than the sum of its proper divisors (1).

18032025659 is an equidigital number, since it uses as much as digits as its factorization.

18032025659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 18032025659 in words is "eighteen billion, thirty-two million, twenty-five thousand, six hundred fifty-nine".