13630603135957 has 2 divisors, whose sum is σ = 13630603135958. Its totient is φ = 13630603135956.

The previous prime is 13630603135937. The next prime is 13630603136053. The reversal of 13630603135957 is 75953130603631.

13630603135957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9544892849361 + 4085710286596 = 3089481^2 + 2021314^2 .

It is a cyclic number.

It is not a de Polignac number, because 13630603135957 - 2³⁵ = 13596243397589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13630603135927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815301567978 + 6815301567979.

It is an arithmetic number, because the mean of its divisors is an integer number (6815301567979).

Almost surely, 2^{13630603135957} is an apocalyptic number.

It is an amenable number.

13630603135957 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630603135957 is an equidigital number, since it uses as much as digits as its factorization.

13630603135957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4592700, while the sum is 52.

The spelling of 13630603135957 in words is "thirteen trillion, six hundred thirty billion, six hundred three million, one hundred thirty-five thousand, nine hundred fifty-seven".