117813974701993 has 2 divisors, whose sum is σ = 117813974701994. Its totient is φ = 117813974701992.

The previous prime is 117813974701991. The next prime is 117813974702041. The reversal of 117813974701993 is 399107479318711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106130956752144 + 11683017949849 = 10301988^2 + 3418043^2 .

It is a cyclic number.

It is not a de Polignac number, because 117813974701993 - 2¹ = 117813974701991 is a prime.

It is a super-3 number, since 3×117813974701993³ (a number of 43 digits) contains 333 as substring.

Together with 117813974701991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117813974701991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58906987350996 + 58906987350997.

It is an arithmetic number, because the mean of its divisors is an integer number (58906987350997).

Almost surely, 2^{117813974701993} is an apocalyptic number.

It is an amenable number.

117813974701993 is a deficient number, since it is larger than the sum of its proper divisors (1).

117813974701993 is an equidigital number, since it uses as much as digits as its factorization.

117813974701993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72013536, while the sum is 70.

The spelling of 117813974701993 in words is "one hundred seventeen trillion, eight hundred thirteen billion, nine hundred seventy-four million, seven hundred one thousand, nine hundred ninety-three".