5045505989 has 2 divisors, whose sum is σ = 5045505990. Its totient is φ = 5045505988.

The previous prime is 5045505979. The next prime is 5045506049. The reversal of 5045505989 is 9895055405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4496775364 + 548730625 = 67058^2 + 23425^2 .

It is a cyclic number.

It is not a de Polignac number, because 5045505989 - 2¹⁶ = 5045440453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5045505979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522752994 + 2522752995.

It is an arithmetic number, because the mean of its divisors is an integer number (2522752995).

Almost surely, 2^5045505989 is an apocalyptic number.

It is an amenable number.

5045505989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5045505989 is an equidigital number, since it uses as much as digits as its factorization.

5045505989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 50.

The square root of 5045505989 is about 71031.7252289426. The cubic root of 5045505989 is about 1715.1478977247.

The spelling of 5045505989 in words is "five billion, forty-five million, five hundred five thousand, nine hundred eighty-nine".