117471969418 has 4 divisors (see below), whose sum is σ = 176207954130. Its totient is φ = 58735984708.

The previous prime is 117471969403. The next prime is 117471969431. The reversal of 117471969418 is 814969174711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814969174711 = 817337 ⋅997103.

It can be written as a sum of positive squares in only one way, i.e., 99059379169 + 18412590249 = 314737^2 + 135693^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29367992353 + ... + 29367992356.

Almost surely, 2^117471969418 is an apocalyptic number.

117471969418 is a deficient number, since it is larger than the sum of its proper divisors (58735984712).

117471969418 is an equidigital number, since it uses as much as digits as its factorization.

117471969418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58735984711.

The product of its digits is 3048192, while the sum is 58.

The spelling of 117471969418 in words is "one hundred seventeen billion, four hundred seventy-one million, nine hundred sixty-nine thousand, four hundred eighteen".