5699590621 has 2 divisors, whose sum is σ = 5699590622. Its totient is φ = 5699590620.

The previous prime is 5699590619. The next prime is 5699590627. The reversal of 5699590621 is 1260959965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4831640100 + 867950521 = 69510^2 + 29461^2 .

It is a cyclic number.

It is not a de Polignac number, because 5699590621 - 2¹ = 5699590619 is a prime.

Together with 5699590619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5699590627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2849795310 + 2849795311.

It is an arithmetic number, because the mean of its divisors is an integer number (2849795311).

Almost surely, 2^5699590621 is an apocalyptic number.

It is an amenable number.

5699590621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5699590621 is an equidigital number, since it uses as much as digits as its factorization.

5699590621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 52.

The square root of 5699590621 is about 75495.6331253669. The cubic root of 5699590621 is about 1786.2732217572.

The spelling of 5699590621 in words is "five billion, six hundred ninety-nine million, five hundred ninety thousand, six hundred twenty-one".