2568834047 has 4 divisors (see below), whose sum is σ = 2766436680. Its totient is φ = 2371231416.

The previous prime is 2568834043. The next prime is 2568834089. The reversal of 2568834047 is 7404388652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2568834047 - 2² = 2568834043 is a prime.

It is a super-2 number, since 2×2568834047² = 13197816722052796418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2568833992 and 2568834010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568834043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98801297 + ... + 98801322.

It is an arithmetic number, because the mean of its divisors is an integer number (691609170).

Almost surely, 2^2568834047 is an apocalyptic number.

2568834047 is a deficient number, since it is larger than the sum of its proper divisors (197602633).

2568834047 is a wasteful number, since it uses less digits than its factorization.

2568834047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197602632.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 2568834047 is about 50683.6664715567. Note that the first 3 decimals coincide. The cubic root of 2568834047 is about 1369.5524932978.

The spelling of 2568834047 in words is "two billion, five hundred sixty-eight million, eight hundred thirty-four thousand, forty-seven".