117697654369 has 2 divisors, whose sum is σ = 117697654370. Its totient is φ = 117697654368.

The previous prime is 117697654367. The next prime is 117697654381. The reversal of 117697654369 is 963456796711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72705729600 + 44991924769 = 269640^2 + 212113^2 .

It is an emirp because it is prime and its reverse (963456796711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117697654369 - 2¹ = 117697654367 is a prime.

It is a super-2 number, since 2×117697654369² (a number of 23 digits) contains 22 as substring.

Together with 117697654367, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 117697654369.

It is not a weakly prime, because it can be changed into another prime (117697654367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58848827184 + 58848827185.

It is an arithmetic number, because the mean of its divisors is an integer number (58848827185).

Almost surely, 2^117697654369 is an apocalyptic number.

It is an amenable number.

117697654369 is a deficient number, since it is larger than the sum of its proper divisors (1).

117697654369 is an equidigital number, since it uses as much as digits as its factorization.

117697654369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 64.

The spelling of 117697654369 in words is "one hundred seventeen billion, six hundred ninety-seven million, six hundred fifty-four thousand, three hundred sixty-nine".