118938854393 has 4 divisors (see below), whose sum is σ = 119035475328. Its totient is φ = 118842233460.

The previous prime is 118938854339. The next prime is 118938854399. The reversal of 118938854393 is 393458839811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393458839811 = 43 ⋅9150205577.

It is a cyclic number.

It is not a de Polignac number, because 118938854393 - 2⁸ = 118938854137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118938854399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48308621 + ... + 48311082.

It is an arithmetic number, because the mean of its divisors is an integer number (29758868832).

Almost surely, 2^118938854393 is an apocalyptic number.

It is an amenable number.

118938854393 is a deficient number, since it is larger than the sum of its proper divisors (96620935).

118938854393 is an equidigital number, since it uses as much as digits as its factorization.

118938854393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96620934.

The product of its digits is 22394880, while the sum is 62.

The spelling of 118938854393 in words is "one hundred eighteen billion, nine hundred thirty-eight million, eight hundred fifty-four thousand, three hundred ninety-three".