18769474601 has 2 divisors, whose sum is σ = 18769474602. Its totient is φ = 18769474600.

The previous prime is 18769474579. The next prime is 18769474609. The reversal of 18769474601 is 10647496781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12701064601 + 6068410000 = 112699^2 + 77900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18769474601 is a prime.

It is not a weakly prime, because it can be changed into another prime (18769474609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9384737300 + 9384737301.

It is an arithmetic number, because the mean of its divisors is an integer number (9384737301).

Almost surely, 2^18769474601 is an apocalyptic number.

It is an amenable number.

18769474601 is a deficient number, since it is larger than the sum of its proper divisors (1).

18769474601 is an equidigital number, since it uses as much as digits as its factorization.

18769474601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 18769474601 in words is "eighteen billion, seven hundred sixty-nine million, four hundred seventy-four thousand, six hundred one".