18528494903 has 2 divisors, whose sum is σ = 18528494904. Its totient is φ = 18528494902.

The previous prime is 18528494891. The next prime is 18528494953. The reversal of 18528494903 is 30949482581.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18528494903 - 2¹⁴ = 18528478519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18528494953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9264247451 + 9264247452.

It is an arithmetic number, because the mean of its divisors is an integer number (9264247452).

Almost surely, 2^18528494903 is an apocalyptic number.

18528494903 is a deficient number, since it is larger than the sum of its proper divisors (1).

18528494903 is an equidigital number, since it uses as much as digits as its factorization.

18528494903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 18528494903 in words is "eighteen billion, five hundred twenty-eight million, four hundred ninety-four thousand, nine hundred three".