1338698929865 has 16 divisors (see below), whose sum is σ = 1776485160576. Its totient is φ = 960262243200.

The previous prime is 1338698929853. The next prime is 1338698929901. The reversal of 1338698929865 is 5689298968331.

It is a de Polignac number, because none of the positive numbers 2^k-1338698929865 is a prime.

It is a super-2 number, since 2×1338698929865² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166708181 + ... + 166716210.

It is an arithmetic number, because the mean of its divisors is an integer number (111030322536).

Almost surely, 2^{1338698929865} is an apocalyptic number.

It is an amenable number.

1338698929865 is a deficient number, since it is larger than the sum of its proper divisors (437786230711).

1338698929865 is a wasteful number, since it uses less digits than its factorization.

1338698929865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333424480.

The product of its digits is 1209323520, while the sum is 77.

The spelling of 1338698929865 in words is "one trillion, three hundred thirty-eight billion, six hundred ninety-eight million, nine hundred twenty-nine thousand, eight hundred sixty-five".