5021320489 has 2 divisors, whose sum is σ = 5021320490. Its totient is φ = 5021320488.

The previous prime is 5021320483. The next prime is 5021320517. The reversal of 5021320489 is 9840231205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3879421225 + 1141899264 = 62285^2 + 33792^2 .

It is a cyclic number.

It is not a de Polignac number, because 5021320489 - 2⁵ = 5021320457 is a prime.

It is not a weakly prime, because it can be changed into another prime (5021320483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510660244 + 2510660245.

It is an arithmetic number, because the mean of its divisors is an integer number (2510660245).

Almost surely, 2^5021320489 is an apocalyptic number.

It is an amenable number.

5021320489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021320489 is an equidigital number, since it uses as much as digits as its factorization.

5021320489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5021320489 is about 70861.2763715134. The cubic root of 5021320489 is about 1712.4030017626.

The spelling of 5021320489 in words is "five billion, twenty-one million, three hundred twenty thousand, four hundred eighty-nine".