13442088521 has 2 divisors, whose sum is σ = 13442088522. Its totient is φ = 13442088520.

The previous prime is 13442088503. The next prime is 13442088533. The reversal of 13442088521 is 12588024431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7265857600 + 6176230921 = 85240^2 + 78589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13442088521 is a prime.

It is not a weakly prime, because it can be changed into another prime (13442088551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721044260 + 6721044261.

It is an arithmetic number, because the mean of its divisors is an integer number (6721044261).

Almost surely, 2^13442088521 is an apocalyptic number.

It is an amenable number.

13442088521 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442088521 is an equidigital number, since it uses as much as digits as its factorization.

13442088521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 13442088521 in words is "thirteen billion, four hundred forty-two million, eighty-eight thousand, five hundred twenty-one".