117935408876489 has 2 divisors, whose sum is σ = 117935408876490. Its totient is φ = 117935408876488.

The previous prime is 117935408876479. The next prime is 117935408876507. The reversal of 117935408876489 is 984678804539711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116172462258889 + 1762946617600 = 10778333^2 + 1327760^2 .

It is a cyclic number.

It is not a de Polignac number, because 117935408876489 - 2⁴ = 117935408876473 is a prime.

It is not a weakly prime, because it can be changed into another prime (117935408876429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58967704438244 + 58967704438245.

It is an arithmetic number, because the mean of its divisors is an integer number (58967704438245).

Almost surely, 2^{117935408876489} is an apocalyptic number.

It is an amenable number.

117935408876489 is a deficient number, since it is larger than the sum of its proper divisors (1).

117935408876489 is an equidigital number, since it uses as much as digits as its factorization.

117935408876489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2926264320, while the sum is 80.

The spelling of 117935408876489 in words is "one hundred seventeen trillion, nine hundred thirty-five billion, four hundred eight million, eight hundred seventy-six thousand, four hundred eighty-nine".