2566423234 has 8 divisors (see below), whose sum is σ = 3849904188. Its totient is φ = 1283121840.

The previous prime is 2566423229. The next prime is 2566423247. The reversal of 2566423234 is 4323246652.

It can be written as a sum of positive squares in 2 ways, for example, as 2565929025 + 494209 = 50655^2 + 703^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2566423193 and 2566423202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 297 + ... + 71644.

Almost surely, 2^2566423234 is an apocalyptic number.

2566423234 is a deficient number, since it is larger than the sum of its proper divisors (1283480954).

2566423234 is a wasteful number, since it uses less digits than its factorization.

2566423234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89780.

The product of its digits is 207360, while the sum is 37.

The square root of 2566423234 is about 50659.8779508992. The cubic root of 2566423234 is about 1369.1239242388.

Adding to 2566423234 its reverse (4323246652), we get a palindrome (6889669886).

The spelling of 2566423234 in words is "two billion, five hundred sixty-six million, four hundred twenty-three thousand, two hundred thirty-four".