13525242349 has 2 divisors, whose sum is σ = 13525242350. Its totient is φ = 13525242348.

The previous prime is 13525242331. The next prime is 13525242383. The reversal of 13525242349 is 94324252531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13464121225 + 61121124 = 116035^2 + 7818^2 .

It is a cyclic number.

It is not a de Polignac number, because 13525242349 - 2⁷ = 13525242221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13525242149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762621174 + 6762621175.

It is an arithmetic number, because the mean of its divisors is an integer number (6762621175).

Almost surely, 2^13525242349 is an apocalyptic number.

It is an amenable number.

13525242349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525242349 is an equidigital number, since it uses as much as digits as its factorization.

13525242349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The spelling of 13525242349 in words is "thirteen billion, five hundred twenty-five million, two hundred forty-two thousand, three hundred forty-nine".