2558049717 has 8 divisors (see below), whose sum is σ = 3475086624. Its totient is φ = 1673189648.

The previous prime is 2558049709. The next prime is 2558049727. The reversal of 2558049717 is 7179408552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2558049717 - 2³ = 2558049709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558049727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8044023 + ... + 8044340.

It is an arithmetic number, because the mean of its divisors is an integer number (434385828).

Almost surely, 2^2558049717 is an apocalyptic number.

It is an amenable number.

2558049717 is a deficient number, since it is larger than the sum of its proper divisors (917036907).

2558049717 is a wasteful number, since it uses less digits than its factorization.

2558049717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088419.

The product of its (nonzero) digits is 705600, while the sum is 48.

The square root of 2558049717 is about 50577.1659644943. The cubic root of 2558049717 is about 1367.6332798141.

The spelling of 2558049717 in words is "two billion, five hundred fifty-eight million, forty-nine thousand, seven hundred seventeen".