90002443021013 has 2 divisors, whose sum is σ = 90002443021014. Its totient is φ = 90002443021012.

The previous prime is 90002443020983. The next prime is 90002443021027. The reversal of 90002443021013 is 31012034420009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61725817870084 + 28276625150929 = 7856578^2 + 5317577^2 .

It is a cyclic number.

It is not a de Polignac number, because 90002443021013 - 2³⁸ = 89727565114069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90002443021033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45001221510506 + 45001221510507.

It is an arithmetic number, because the mean of its divisors is an integer number (45001221510507).

Almost surely, 2^{90002443021013} is an apocalyptic number.

It is an amenable number.

90002443021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

90002443021013 is an equidigital number, since it uses as much as digits as its factorization.

90002443021013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 90002443021013 in words is "ninety trillion, two billion, four hundred forty-three million, twenty-one thousand, thirteen".