13249490231 has 2 divisors, whose sum is σ = 13249490232. Its totient is φ = 13249490230.

The previous prime is 13249490227. The next prime is 13249490237. The reversal of 13249490231 is 13209494231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13249490231 - 2² = 13249490227 is a prime.

It is a super-2 number, since 2×13249490231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13249490237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624745115 + 6624745116.

It is an arithmetic number, because the mean of its divisors is an integer number (6624745116).

Almost surely, 2^13249490231 is an apocalyptic number.

13249490231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249490231 is an equidigital number, since it uses as much as digits as its factorization.

13249490231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 13249490231 in words is "thirteen billion, two hundred forty-nine million, four hundred ninety thousand, two hundred thirty-one".