18770442059 has 2 divisors, whose sum is σ = 18770442060. Its totient is φ = 18770442058.

The previous prime is 18770441993. The next prime is 18770442077. The reversal of 18770442059 is 95024407781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18770442059 - 2²⁰ = 18769393483 is a prime.

It is not a weakly prime, because it can be changed into another prime (18770442079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9385221029 + 9385221030.

It is an arithmetic number, because the mean of its divisors is an integer number (9385221030).

Almost surely, 2^18770442059 is an apocalyptic number.

18770442059 is a deficient number, since it is larger than the sum of its proper divisors (1).

18770442059 is an equidigital number, since it uses as much as digits as its factorization.

18770442059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 18770442059 in words is "eighteen billion, seven hundred seventy million, four hundred forty-two thousand, fifty-nine".