2566434371 has 2 divisors, whose sum is σ = 2566434372. Its totient is φ = 2566434370.

The previous prime is 2566434361. The next prime is 2566434379. The reversal of 2566434371 is 1734346652.

2566434371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2566434371 - 2⁶ = 2566434307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2566434379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283217185 + 1283217186.

It is an arithmetic number, because the mean of its divisors is an integer number (1283217186).

Almost surely, 2^2566434371 is an apocalyptic number.

2566434371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566434371 is an equidigital number, since it uses as much as digits as its factorization.

2566434371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 41.

The square root of 2566434371 is about 50659.9878701130. The cubic root of 2566434371 is about 1369.1259046748.

The spelling of 2566434371 in words is "two billion, five hundred sixty-six million, four hundred thirty-four thousand, three hundred seventy-one".