1317926432808 has 32 divisors (see below), whose sum is σ = 3660906758400. Its totient is φ = 439308810864.

The previous prime is 1317926432789. The next prime is 1317926432873. The reversal of 1317926432808 is 8082346297131.

It is a happy number.

1317926432808 is a `hidden beast` number, since 1 + 31 + 79 + 264 + 3 + 280 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 in 7 ways as a sum of consecutive naturals, for example, 3050755416 + ... + 3050755847.

It is an arithmetic number, because the mean of its divisors is an integer number (114403336200).

Almost surely, 2^{1317926432808} is an apocalyptic number.

1317926432808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1317926432808 is an abundant number, since it is smaller than the sum of its proper divisors (2342980325592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317926432808 is a wasteful number, since it uses less digits than its factorization.

1317926432808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101511278 (or 6101511268 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1317926432808 in words is "one trillion, three hundred seventeen billion, nine hundred twenty-six million, four hundred thirty-two thousand, eight hundred eight".