118284042169 has 2 divisors, whose sum is σ = 118284042170. Its totient is φ = 118284042168.

The previous prime is 118284042139. The next prime is 118284042181. The reversal of 118284042169 is 961240482811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108644729769 + 9639312400 = 329613^2 + 98180^2 .

It is a cyclic number.

It is not a de Polignac number, because 118284042169 - 2⁵ = 118284042137 is a prime.

It is a super-2 number, since 2×118284042169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118284042139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59142021084 + 59142021085.

It is an arithmetic number, because the mean of its divisors is an integer number (59142021085).

Almost surely, 2^118284042169 is an apocalyptic number.

It is an amenable number.

118284042169 is a deficient number, since it is larger than the sum of its proper divisors (1).

118284042169 is an equidigital number, since it uses as much as digits as its factorization.

118284042169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 118284042169 in words is "one hundred eighteen billion, two hundred eighty-four million, forty-two thousand, one hundred sixty-nine".