13242040400429 has 2 divisors, whose sum is σ = 13242040400430. Its totient is φ = 13242040400428.

The previous prime is 13242040400357. The next prime is 13242040400509. The reversal of 13242040400429 is 92400404024231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12836778294025 + 405262106404 = 3582845^2 + 636602^2 .

It is a cyclic number.

It is not a de Polignac number, because 13242040400429 - 2⁴⁰ = 12142528772653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13242040402429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621020200214 + 6621020200215.

It is an arithmetic number, because the mean of its divisors is an integer number (6621020200215).

Almost surely, 2^{13242040400429} is an apocalyptic number.

It is an amenable number.

13242040400429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242040400429 is an equidigital number, since it uses as much as digits as its factorization.

13242040400429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 13242040400429 in words is "thirteen trillion, two hundred forty-two billion, forty million, four hundred thousand, four hundred twenty-nine".