117644381474 has 4 divisors (see below), whose sum is σ = 176466572214. Its totient is φ = 58822190736.

The previous prime is 117644381411. The next prime is 117644381527. The reversal of 117644381474 is 474183446711.

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

It can be written as a sum of positive squares in only one way, i.e., 117522124225 + 122257249 = 342815^2 + 11057^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29411095367 + ... + 29411095370.

Almost surely, 2^117644381474 is an apocalyptic number.

117644381474 is a deficient number, since it is larger than the sum of its proper divisors (58822190740).

117644381474 is an equidigital number, since it uses as much as digits as its factorization.

117644381474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58822190739.

The product of its digits is 1806336, while the sum is 50.

The spelling of 117644381474 in words is "one hundred seventeen billion, six hundred forty-four million, three hundred eighty-one thousand, four hundred seventy-four".