2559749975 has 12 divisors (see below), whose sum is σ = 3206815584. Its totient is φ = 2026686720.

The previous prime is 2559749953. The next prime is 2559749981. The reversal of 2559749975 is 5799479552.

It is not a de Polignac number, because 2559749975 - 2⁶ = 2559749911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525359 + ... + 530208.

It is an arithmetic number, because the mean of its divisors is an integer number (267234632).

Almost surely, 2^2559749975 is an apocalyptic number.

2559749975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2559749975 is a deficient number, since it is larger than the sum of its proper divisors (647065609).

2559749975 is a wasteful number, since it uses less digits than its factorization.

2559749975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055674 (or 1055669 counting only the distinct ones).

The product of its digits is 35721000, while the sum is 62.

The square root of 2559749975 is about 50593.9717258885. The cubic root of 2559749975 is about 1367.9362208148.

The spelling of 2559749975 in words is "two billion, five hundred fifty-nine million, seven hundred forty-nine thousand, nine hundred seventy-five".