5128632997 has 16 divisors (see below), whose sum is σ = 5390945280. Its totient is φ = 4874766832.

The previous prime is 5128632991. The next prime is 5128633043. The reversal of 5128632997 is 7992368215.

It is a cyclic number.

It is not a de Polignac number, because 5128632997 - 2⁷ = 5128632869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128632991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219018 + ... + 241300.

It is an arithmetic number, because the mean of its divisors is an integer number (336934080).

Almost surely, 2^5128632997 is an apocalyptic number.

It is an amenable number.

5128632997 is a deficient number, since it is larger than the sum of its proper divisors (262312283).

5128632997 is a wasteful number, since it uses less digits than its factorization.

5128632997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22472.

The product of its digits is 1632960, while the sum is 52.

The square root of 5128632997 is about 71614.4747729117. The cubic root of 5128632997 is about 1724.5159178802.

The spelling of 5128632997 in words is "five billion, one hundred twenty-eight million, six hundred thirty-two thousand, nine hundred ninety-seven".