13625304613 has 2 divisors, whose sum is σ = 13625304614. Its totient is φ = 13625304612.

The previous prime is 13625304577. The next prime is 13625304617. The reversal of 13625304613 is 31640352631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10253992644 + 3371311969 = 101262^2 + 58063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13625304613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13625304617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6812652306 + 6812652307.

It is an arithmetic number, because the mean of its divisors is an integer number (6812652307).

Almost surely, 2^13625304613 is an apocalyptic number.

It is an amenable number.

13625304613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13625304613 is an equidigital number, since it uses as much as digits as its factorization.

13625304613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 13625304613 in words is "thirteen billion, six hundred twenty-five million, three hundred four thousand, six hundred thirteen".