117491928713 has 4 divisors (see below), whose sum is σ = 117586911300. Its totient is φ = 117396946128.

The previous prime is 117491928641. The next prime is 117491928761. The reversal of 117491928713 is 317829194711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 92876829049 + 24615099664 = 304757^2 + 156892^2 .

It is a cyclic number.

It is not a de Polignac number, because 117491928713 - 2⁸ = 117491928457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117491928313) 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, 47489438 + ... + 47491911.

It is an arithmetic number, because the mean of its divisors is an integer number (29396727825).

Almost surely, 2^117491928713 is an apocalyptic number.

It is an amenable number.

117491928713 is a deficient number, since it is larger than the sum of its proper divisors (94982587).

117491928713 is an equidigital number, since it uses as much as digits as its factorization.

117491928713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94982586.

The product of its digits is 762048, while the sum is 53.

The spelling of 117491928713 in words is "one hundred seventeen billion, four hundred ninety-one million, nine hundred twenty-eight thousand, seven hundred thirteen".