13604126413 has 2 divisors, whose sum is σ = 13604126414. Its totient is φ = 13604126412.

The previous prime is 13604126399. The next prime is 13604126423. The reversal of 13604126413 is 31462140631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8895696489 + 4708429924 = 94317^2 + 68618^2 .

It is a cyclic number.

It is not a de Polignac number, because 13604126413 - 2¹⁷ = 13603995341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13604126423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6802063206 + 6802063207.

It is an arithmetic number, because the mean of its divisors is an integer number (6802063207).

Almost surely, 2^13604126413 is an apocalyptic number.

It is an amenable number.

13604126413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13604126413 is an equidigital number, since it uses as much as digits as its factorization.

13604126413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 13604126413 in words is "thirteen billion, six hundred four million, one hundred twenty-six thousand, four hundred thirteen".