2566423233 has 48 divisors (see below), whose sum is σ = 4285944000. Its totient is φ = 1463495040.

The previous prime is 2566423229. The next prime is 2566423247. The reversal of 2566423233 is 3323246652.

2566423233 is a `hidden beast` number, since 2 + 5 + 6 + 642 + 3 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 2566423233 - 2² = 2566423229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2566423253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275691 + ... + 284847.

It is an arithmetic number, because the mean of its divisors is an integer number (89290500).

Almost surely, 2^2566423233 is an apocalyptic number.

It is an amenable number.

2566423233 is a deficient number, since it is larger than the sum of its proper divisors (1719520767).

2566423233 is a wasteful number, since it uses less digits than its factorization.

2566423233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342 (or 9339 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 2566423233 is about 50659.8779410294. The cubic root of 2566423233 is about 1369.1239240610.

Adding to 2566423233 its reverse (3323246652), we get a palindrome (5889669885).

The spelling of 2566423233 in words is "two billion, five hundred sixty-six million, four hundred twenty-three thousand, two hundred thirty-three".