2558994039 has 40 divisors (see below), whose sum is σ = 4376211840. Its totient is φ = 1459800144.

The previous prime is 2558994023. The next prime is 2558994077. The reversal of 2558994039 is 9304998552.

It is a happy number.

2558994039 is a `hidden beast` number, since 25 + 589 + 9 + 4 + 0 + 39 = 666.

2558994039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2558994039 - 2⁴ = 2558994023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558994089) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 361072 + ... + 368090.

It is an arithmetic number, because the mean of its divisors is an integer number (109405296).

Almost surely, 2^2558994039 is an apocalyptic number.

2558994039 is a deficient number, since it is larger than the sum of its proper divisors (1817217801).

2558994039 is an equidigital number, since it uses as much as digits as its factorization.

2558994039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The square root of 2558994039 is about 50586.5005609204. The cubic root of 2558994039 is about 1367.8015495832.

The spelling of 2558994039 in words is "two billion, five hundred fifty-eight million, nine hundred ninety-four thousand, thirty-nine".