117694966489 has 9 divisors (see below), whose sum is σ = 118153364223. Its totient is φ = 117238344312.

The previous prime is 117694966471. The next prime is 117694966507. The reversal of 117694966489 is 984669496711.

The square root of 117694966489 is 343067.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (117694966471) and next prime (117694966507).

It can be written as a sum of positive squares in only one way, i.e., 86387202889 + 31307763600 = 293917^2 + 176940^2 .

It is not a de Polignac number, because 117694966489 - 2²³ = 117686577881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117694966409) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 119729892 + ... + 119730874.

Almost surely, 2^117694966489 is an apocalyptic number.

117694966489 is the 343067-th square number.

117694966489 is the 171534-th centered octagonal number.

It is an amenable number.

117694966489 is a deficient number, since it is larger than the sum of its proper divisors (458397734).

117694966489 is an frugal number, since it uses more digits than its factorization.

117694966489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 1332 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 70.

The spelling of 117694966489 in words is "one hundred seventeen billion, six hundred ninety-four million, nine hundred sixty-six thousand, four hundred eighty-nine".