5128289797 has 2 divisors, whose sum is σ = 5128289798. Its totient is φ = 5128289796.

The previous prime is 5128289773. The next prime is 5128289807. The reversal of 5128289797 is 7979828215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5030497476 + 97792321 = 70926^2 + 9889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5128289797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5128289707) 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, 2564144898 + 2564144899.

It is an arithmetic number, because the mean of its divisors is an integer number (2564144899).

Almost surely, 2^5128289797 is an apocalyptic number.

It is an amenable number.

5128289797 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128289797 is an equidigital number, since it uses as much as digits as its factorization.

5128289797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 58.

The square root of 5128289797 is about 71612.0785691911. The cubic root of 5128289797 is about 1724.4774497306.

The spelling of 5128289797 in words is "five billion, one hundred twenty-eight million, two hundred eighty-nine thousand, seven hundred ninety-seven".