13249413269 has 2 divisors, whose sum is σ = 13249413270. Its totient is φ = 13249413268.

The previous prime is 13249413259. The next prime is 13249413271. The reversal of 13249413269 is 96231494231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12424000369 + 825412900 = 111463^2 + 28730^2 .

It is a cyclic number.

It is not a de Polignac number, because 13249413269 - 2⁴ = 13249413253 is a prime.

It is a super-2 number, since 2×13249413269² (a number of 21 digits) contains 22 as substring.

Together with 13249413271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13249413239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624706634 + 6624706635.

It is an arithmetic number, because the mean of its divisors is an integer number (6624706635).

Almost surely, 2^13249413269 is an apocalyptic number.

It is an amenable number.

13249413269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249413269 is an equidigital number, since it uses as much as digits as its factorization.

13249413269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The spelling of 13249413269 in words is "thirteen billion, two hundred forty-nine million, four hundred thirteen thousand, two hundred sixty-nine".