13898113751 has 18 divisors (see below), whose sum is σ = 14989893912. Its totient is φ = 12880674240.

The previous prime is 13898113739. The next prime is 13898113753. The reversal of 13898113751 is 15731189831.

It is a de Polignac number, because none of the positive numbers 2^k-13898113751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13898113696 and 13898113705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13898113753) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16886726 + ... + 16887548.

It is an arithmetic number, because the mean of its divisors is an integer number (832771884).

Almost surely, 2^13898113751 is an apocalyptic number.

13898113751 is a deficient number, since it is larger than the sum of its proper divisors (1091780161).

13898113751 is an frugal number, since it uses more digits than its factorization.

13898113751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 911 counting only the distinct ones).

The product of its digits is 181440, while the sum is 47.

The spelling of 13898113751 in words is "thirteen billion, eight hundred ninety-eight million, one hundred thirteen thousand, seven hundred fifty-one".