5128609859 has 2 divisors, whose sum is σ = 5128609860. Its totient is φ = 5128609858.

The previous prime is 5128609853. The next prime is 5128609879. The reversal of 5128609859 is 9589068215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5128609859 - 2¹² = 5128605763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5128609859.

It is not a weakly prime, because it can be changed into another prime (5128609853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564304929 + 2564304930.

It is an arithmetic number, because the mean of its divisors is an integer number (2564304930).

Almost surely, 2^5128609859 is an apocalyptic number.

5128609859 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128609859 is an equidigital number, since it uses as much as digits as its factorization.

5128609859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The square root of 5128609859 is about 71614.3132271755. The cubic root of 5128609859 is about 1724.5133244725.

The spelling of 5128609859 in words is "five billion, one hundred twenty-eight million, six hundred nine thousand, eight hundred fifty-nine".