2556229049 has 16 divisors (see below), whose sum is σ = 2941272000. Its totient is φ = 2197120320.

The previous prime is 2556229001. The next prime is 2556229051. The reversal of 2556229049 is 9409226552.

It is a cyclic number.

It is not a de Polignac number, because 2556229049 - 2²⁰ = 2555180473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556229549) 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, 94367 + ... + 118395.

It is an arithmetic number, because the mean of its divisors is an integer number (183829500).

Almost surely, 2^2556229049 is an apocalyptic number.

It is an amenable number.

2556229049 is a deficient number, since it is larger than the sum of its proper divisors (385042951).

2556229049 is a wasteful number, since it uses less digits than its factorization.

2556229049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24568.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 2556229049 is about 50559.1638479119. The cubic root of 2556229049 is about 1367.3087360661.

The spelling of 2556229049 in words is "two billion, five hundred fifty-six million, two hundred twenty-nine thousand, forty-nine".