13348627561 has 2 divisors, whose sum is σ = 13348627562. Its totient is φ = 13348627560.

The previous prime is 13348627543. The next prime is 13348627573. The reversal of 13348627561 is 16572684331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7145489961 + 6203137600 = 84531^2 + 78760^2 .

It is a cyclic number.

It is not a de Polignac number, because 13348627561 - 2⁷ = 13348627433 is a prime.

It is not a weakly prime, because it can be changed into another prime (13348627261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6674313780 + 6674313781.

It is an arithmetic number, because the mean of its divisors is an integer number (6674313781).

Almost surely, 2^13348627561 is an apocalyptic number.

It is an amenable number.

13348627561 is a deficient number, since it is larger than the sum of its proper divisors (1).

13348627561 is an equidigital number, since it uses as much as digits as its factorization.

13348627561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 13348627561 in words is "thirteen billion, three hundred forty-eight million, six hundred twenty-seven thousand, five hundred sixty-one".