117591662219 has 4 divisors (see below), whose sum is σ = 117611508144. Its totient is φ = 117571816296.

The previous prime is 117591662143. The next prime is 117591662249. The reversal of 117591662219 is 912266195711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117591662219 is a prime.

It is a super-2 number, since 2×117591662219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117591662249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9914072 + ... + 9925925.

It is an arithmetic number, because the mean of its divisors is an integer number (29402877036).

Almost surely, 2^117591662219 is an apocalyptic number.

117591662219 is a deficient number, since it is larger than the sum of its proper divisors (19845925).

117591662219 is an equidigital number, since it uses as much as digits as its factorization.

117591662219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845924.

The product of its digits is 408240, while the sum is 50.

The spelling of 117591662219 in words is "one hundred seventeen billion, five hundred ninety-one million, six hundred sixty-two thousand, two hundred nineteen".