2556782934 has 8 divisors (see below), whose sum is σ = 5113565880. Its totient is φ = 852260976.

The previous prime is 2556782929. The next prime is 2556782953. The reversal of 2556782934 is 4392876552.

It is a happy number.

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

2556782934 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213065239 + ... + 213065250.

It is an arithmetic number, because the mean of its divisors is an integer number (639195735).

Almost surely, 2^2556782934 is an apocalyptic number.

2556782934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2556782934 is a wasteful number, since it uses less digits than its factorization.

2556782934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426130494.

The product of its digits is 3628800, while the sum is 51.

The square root of 2556782934 is about 50564.6411437874. The cubic root of 2556782934 is about 1367.4074853163.

The spelling of 2556782934 in words is "two billion, five hundred fifty-six million, seven hundred eighty-two thousand, nine hundred thirty-four".