5127896639 has 2 divisors, whose sum is σ = 5127896640. Its totient is φ = 5127896638.

The previous prime is 5127896623. The next prime is 5127896671. The reversal of 5127896639 is 9366987215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5127896639 - 2⁴ = 5127896623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5127896699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563948319 + 2563948320.

It is an arithmetic number, because the mean of its divisors is an integer number (2563948320).

Almost surely, 2^5127896639 is an apocalyptic number.

5127896639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5127896639 is an equidigital number, since it uses as much as digits as its factorization.

5127896639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The square root of 5127896639 is about 71609.3334628943. Note that the first 3 decimals coincide. The cubic root of 5127896639 is about 1724.4333798451.

The spelling of 5127896639 in words is "five billion, one hundred twenty-seven million, eight hundred ninety-six thousand, six hundred thirty-nine".