2566422463 has 6 divisors (see below), whose sum is σ = 2820943832. Its totient is φ = 2333111220.

The previous prime is 2566422457. The next prime is 2566422479. The reversal of 2566422463 is 3642246652.

It is not a de Polignac number, because 2566422463 - 2¹⁷ = 2566291391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566422403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10604931 + ... + 10605172.

Almost surely, 2^2566422463 is an apocalyptic number.

2566422463 is a deficient number, since it is larger than the sum of its proper divisors (254521369).

2566422463 is a wasteful number, since it uses less digits than its factorization.

2566422463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210125 (or 21210114 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 2566422463 is about 50659.8703413264. The cubic root of 2566422463 is about 1369.1237871356.

The spelling of 2566422463 in words is "two billion, five hundred sixty-six million, four hundred twenty-two thousand, four hundred sixty-three".