5078849989 has 2 divisors, whose sum is σ = 5078849990. Its totient is φ = 5078849988.

The previous prime is 5078849983. The next prime is 5078849999. The reversal of 5078849989 is 9899488705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4766797764 + 312052225 = 69042^2 + 17665^2 .

It is a cyclic number.

It is not a de Polignac number, because 5078849989 - 2²³ = 5070461381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5078849983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539424994 + 2539424995.

It is an arithmetic number, because the mean of its divisors is an integer number (2539424995).

Almost surely, 2^5078849989 is an apocalyptic number.

It is an amenable number.

5078849989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5078849989 is an equidigital number, since it uses as much as digits as its factorization.

5078849989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 67.

The square root of 5078849989 is about 71266.0507464810. The cubic root of 5078849989 is about 1718.9178776777.

The spelling of 5078849989 in words is "five billion, seventy-eight million, eight hundred forty-nine thousand, nine hundred eighty-nine".