2558649059 has 16 divisors (see below), whose sum is σ = 2619751680. Its totient is φ = 2498469600.

The previous prime is 2558649029. The next prime is 2558649083. The reversal of 2558649059 is 9509468552.

It is a cyclic number.

It is not a de Polignac number, because 2558649059 - 2⁸ = 2558648803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2558649059.

It is not an unprimeable number, because it can be changed into a prime (2558649029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4358564 + ... + 4359150.

It is an arithmetic number, because the mean of its divisors is an integer number (163734480).

Almost surely, 2^2558649059 is an apocalyptic number.

2558649059 is a deficient number, since it is larger than the sum of its proper divisors (61102621).

2558649059 is a wasteful number, since it uses less digits than its factorization.

2558649059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The square root of 2558649059 is about 50583.0906430202. The cubic root of 2558649059 is about 1367.7400820199.

The spelling of 2558649059 in words is "two billion, five hundred fifty-eight million, six hundred forty-nine thousand, fifty-nine".