5128564996 has 27 divisors (see below), whose sum is σ = 9140102517. Its totient is φ = 2517948240.

The previous prime is 5128564993. The next prime is 5128564999. The reversal of 5128564996 is 6994658215.

The square root of 5128564996 is 71614.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (5128564993) and next prime (5128564999).

It can be written as a sum of positive squares in only one way, i.e., 166771396 + 4961793600 = 12914^2 + 70440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128564993) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8736615 + ... + 8737201.

Almost surely, 2^5128564996 is an apocalyptic number.

5128564996 is the 71614-th square number.

It is an amenable number.

5128564996 is a deficient number, since it is larger than the sum of its proper divisors (4011537521).

5128564996 is an frugal number, since it uses more digits than its factorization.

5128564996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 650 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 55.

The cubic root of 5128564996 is about 1724.5082960100.

It can be divided in two parts, 51285 and 64996, that added together give a square (116281 = 341²).

The spelling of 5128564996 in words is "five billion, one hundred twenty-eight million, five hundred sixty-four thousand, nine hundred ninety-six".