18715000907 has 2 divisors, whose sum is σ = 18715000908. Its totient is φ = 18715000906.

The previous prime is 18715000879. The next prime is 18715000921. The reversal of 18715000907 is 70900051781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18715000907 - 2⁸ = 18715000651 is a prime.

It is not a weakly prime, because it can be changed into another prime (18715600907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9357500453 + 9357500454.

It is an arithmetic number, because the mean of its divisors is an integer number (9357500454).

Almost surely, 2^18715000907 is an apocalyptic number.

18715000907 is a deficient number, since it is larger than the sum of its proper divisors (1).

18715000907 is an equidigital number, since it uses as much as digits as its factorization.

18715000907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The spelling of 18715000907 in words is "eighteen billion, seven hundred fifteen million, nine hundred seven", and thus it is an aban number.