13525122049 has 2 divisors, whose sum is σ = 13525122050. Its totient is φ = 13525122048.

The previous prime is 13525122001. The next prime is 13525122073. The reversal of 13525122049 is 94022152531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7005690000 + 6519432049 = 83700^2 + 80743^2 .

It is a cyclic number.

It is not a de Polignac number, because 13525122049 - 2⁹ = 13525121537 is a prime.

It is not a weakly prime, because it can be changed into another prime (13525122349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762561024 + 6762561025.

It is an arithmetic number, because the mean of its divisors is an integer number (6762561025).

Almost surely, 2^13525122049 is an apocalyptic number.

It is an amenable number.

13525122049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525122049 is an equidigital number, since it uses as much as digits as its factorization.

13525122049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 13525122049 in words is "thirteen billion, five hundred twenty-five million, one hundred twenty-two thousand, forty-nine".