13738849199615 has 8 divisors (see below), whose sum is σ = 16487496426768. Its totient is φ = 10990494434880.

The previous prime is 13738849199591. The next prime is 13738849199653. The reversal of 13738849199615 is 51699194883731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13738849199615 is a prime.

It is a super-2 number, since 2×13738849199615² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73012241 + ... + 73200170.

It is an arithmetic number, because the mean of its divisors is an integer number (2060937053346).

Almost surely, 2^{13738849199615} is an apocalyptic number.

13738849199615 is a deficient number, since it is larger than the sum of its proper divisors (2748647227153).

13738849199615 is a wasteful number, since it uses less digits than its factorization.

13738849199615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146231209.

The product of its digits is 352719360, while the sum is 74.

The spelling of 13738849199615 in words is "thirteen trillion, seven hundred thirty-eight billion, eight hundred forty-nine million, one hundred ninety-nine thousand, six hundred fifteen".