13486268431 has 12 divisors (see below), whose sum is σ = 14574645072. Its totient is φ = 12455066624.

The previous prime is 13486268399. The next prime is 13486268449.

13486268431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13486268431 - 2⁵ = 13486268399 is a prime.

It is a super-2 number, since 2×13486268431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13486268531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329266 + ... + 367951.

It is an arithmetic number, because the mean of its divisors is an integer number (1214553756).

Almost surely, 2^13486268431 is an apocalyptic number.

13486268431 is a deficient number, since it is larger than the sum of its proper divisors (1088376641).

13486268431 is an equidigital number, since it uses as much as digits as its factorization.

13486268431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697298 (or 697269 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The spelling of 13486268431 in words is "thirteen billion, four hundred eighty-six million, two hundred sixty-eight thousand, four hundred thirty-one".