2566422479 has 2 divisors, whose sum is σ = 2566422480. Its totient is φ = 2566422478.

The previous prime is 2566422457. The next prime is 2566422491. The reversal of 2566422479 is 9742246652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2566422479 - 2²⁸ = 2297987023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566422679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283211239 + 1283211240.

It is an arithmetic number, because the mean of its divisors is an integer number (1283211240).

Almost surely, 2^2566422479 is an apocalyptic number.

2566422479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566422479 is an equidigital number, since it uses as much as digits as its factorization.

2566422479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 2566422479 is about 50659.8704992423. The cubic root of 2566422479 is about 1369.1237899808.

The spelling of 2566422479 in words is "two billion, five hundred sixty-six million, four hundred twenty-two thousand, four hundred seventy-nine".