118919673839 has 2 divisors, whose sum is σ = 118919673840. Its totient is φ = 118919673838.

The previous prime is 118919673791. The next prime is 118919673877. The reversal of 118919673839 is 938376919811.

It is a strong prime.

It is an emirp because it is prime and its reverse (938376919811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118919673839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118919673239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59459836919 + 59459836920.

It is an arithmetic number, because the mean of its divisors is an integer number (59459836920).

Almost surely, 2^118919673839 is an apocalyptic number.

118919673839 is a deficient number, since it is larger than the sum of its proper divisors (1).

118919673839 is an equidigital number, since it uses as much as digits as its factorization.

118919673839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 65.

The spelling of 118919673839 in words is "one hundred eighteen billion, nine hundred nineteen million, six hundred seventy-three thousand, eight hundred thirty-nine".