1338347431718 has 16 divisors (see below), whose sum is σ = 2192508939600. Its totient is φ = 607649222400.

The previous prime is 1338347431703. The next prime is 1338347431723. The reversal of 1338347431718 is 8171347438331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338347431718.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34506143 + ... + 34544906.

It is an arithmetic number, because the mean of its divisors is an integer number (137031808725).

Almost surely, 2^{1338347431718} is an apocalyptic number.

1338347431718 is a deficient number, since it is larger than the sum of its proper divisors (854161507882).

1338347431718 is a wasteful number, since it uses less digits than its factorization.

1338347431718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69051943.

The product of its digits is 4064256, while the sum is 53.

The spelling of 1338347431718 in words is "one trillion, three hundred thirty-eight billion, three hundred forty-seven million, four hundred thirty-one thousand, seven hundred eighteen".