13497339251 has 18 divisors (see below), whose sum is σ = 15402507708. Its totient is φ = 11729110360.

The previous prime is 13497339223. The next prime is 13497339253. The reversal of 13497339251 is 15293379431.

It is not a de Polignac number, because 13497339251 - 2²² = 13493144947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13497339196 and 13497339205.

It is not an unprimeable number, because it can be changed into a prime (13497339253) 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, 8861576 + ... + 8863098.

Almost surely, 2^13497339251 is an apocalyptic number.

13497339251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13497339251 is a deficient number, since it is larger than the sum of its proper divisors (1905168457).

13497339251 is an frugal number, since it uses more digits than its factorization.

13497339251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 1557 counting only the distinct ones).

The product of its digits is 612360, while the sum is 47.

The spelling of 13497339251 in words is "thirteen billion, four hundred ninety-seven million, three hundred thirty-nine thousand, two hundred fifty-one".