5059990021 has 2 divisors, whose sum is σ = 5059990022. Its totient is φ = 5059990020.

The previous prime is 5059990003. The next prime is 5059990123. The reversal of 5059990021 is 1200999505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4713509025 + 346480996 = 68655^2 + 18614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5059990021 - 2²³ = 5051601413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5059993021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529995010 + 2529995011.

It is an arithmetic number, because the mean of its divisors is an integer number (2529995011).

Almost surely, 2^5059990021 is an apocalyptic number.

It is an amenable number.

5059990021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5059990021 is an equidigital number, since it uses as much as digits as its factorization.

5059990021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 5059990021 is about 71133.6068324951. The cubic root of 5059990021 is about 1716.7875432192.

The spelling of 5059990021 in words is "five billion, fifty-nine million, nine hundred ninety thousand, twenty-one".