1317839684370 has 64 divisors (see below), whose sum is σ = 3450465008640. Its totient is φ = 319465073600.

The previous prime is 1317839684347. The next prime is 1317839684401. The reversal of 1317839684370 is 734869387131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13076875 + ... + 13177265.

It is an arithmetic number, because the mean of its divisors is an integer number (53913515760).

Almost surely, 2^{1317839684370} is an apocalyptic number.

1317839684370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317839684370 is an abundant number, since it is smaller than the sum of its proper divisors (2132625324270).

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

1317839684370 is a wasteful number, since it uses less digits than its factorization.

1317839684370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140191.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 1317839684370 in words is "one trillion, three hundred seventeen billion, eight hundred thirty-nine million, six hundred eighty-four thousand, three hundred seventy".