18410845087 has 2 divisors, whose sum is σ = 18410845088. Its totient is φ = 18410845086.

The previous prime is 18410845051. The next prime is 18410845139. The reversal of 18410845087 is 78054801481.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18410845087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18410840087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9205422543 + 9205422544.

It is an arithmetic number, because the mean of its divisors is an integer number (9205422544).

Almost surely, 2^18410845087 is an apocalyptic number.

18410845087 is a deficient number, since it is larger than the sum of its proper divisors (1).

18410845087 is an equidigital number, since it uses as much as digits as its factorization.

18410845087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 46.

The spelling of 18410845087 in words is "eighteen billion, four hundred ten million, eight hundred forty-five thousand, eighty-seven".