13624644413 has 2 divisors, whose sum is σ = 13624644414. Its totient is φ = 13624644412.

The previous prime is 13624644391. The next prime is 13624644437. The reversal of 13624644413 is 31444642631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13614922489 + 9721924 = 116683^2 + 3118^2 .

It is an emirp because it is prime and its reverse (31444642631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13624644413 - 2²⁰ = 13623595837 is a prime.

It is a super-2 number, since 2×13624644413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13624644493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6812322206 + 6812322207.

It is an arithmetic number, because the mean of its divisors is an integer number (6812322207).

Almost surely, 2^13624644413 is an apocalyptic number.

It is an amenable number.

13624644413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13624644413 is an equidigital number, since it uses as much as digits as its factorization.

13624644413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 38.

The spelling of 13624644413 in words is "thirteen billion, six hundred twenty-four million, six hundred forty-four thousand, four hundred thirteen".