5128564995 has 48 divisors (see below), whose sum is σ = 9094594080. Its totient is φ = 2672828928.

The previous prime is 5128564993. The next prime is 5128564999. The reversal of 5128564995 is 5994658215.

5128564995 is a `hidden beast` number, since 51 + 28 + 564 + 9 + 9 + 5 = 666.

It is a Cunningham number, because it is equal to 71614²-1.

It is not a de Polignac number, because 5128564995 - 2¹ = 5128564993 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 350904 + ... + 365226.

It is an arithmetic number, because the mean of its divisors is an integer number (189470710).

Almost surely, 2^5128564995 is an apocalyptic number.

5128564995 is a deficient number, since it is larger than the sum of its proper divisors (3966029085).

5128564995 is a wasteful number, since it uses less digits than its factorization.

5128564995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14516 (or 14513 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The square root of 5128564995 is about 71613.9999930181. Note that the first 5 decimals coincide. The cubic root of 5128564995 is about 1724.5082958979.

The spelling of 5128564995 in words is "five billion, one hundred twenty-eight million, five hundred sixty-four thousand, nine hundred ninety-five".