6128144859 has 4 divisors (see below), whose sum is σ = 8170859816. Its totient is φ = 4085429904.

The previous prime is 6128144857. The next prime is 6128144899. The reversal of 6128144859 is 9584418216.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6128144859 - 2¹ = 6128144857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6128144857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021357474 + ... + 1021357479.

It is an arithmetic number, because the mean of its divisors is an integer number (2042714954).

Almost surely, 2^6128144859 is an apocalyptic number.

6128144859 is a deficient number, since it is larger than the sum of its proper divisors (2042714957).

6128144859 is a wasteful number, since it uses less digits than its factorization.

6128144859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042714956.

The product of its digits is 552960, while the sum is 48.

The square root of 6128144859 is about 78282.4684012966. The cubic root of 6128144859 is about 1829.9659443034.

The spelling of 6128144859 in words is "six billion, one hundred twenty-eight million, one hundred forty-four thousand, eight hundred fifty-nine".