2566334401 has 4 divisors (see below), whose sum is σ = 2566470400. Its totient is φ = 2566198404.

The previous prime is 2566334377. The next prime is 2566334417. The reversal of 2566334401 is 1044336652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2566334401 - 2¹³ = 2566326209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566334431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34041 + ... + 79318.

It is an arithmetic number, because the mean of its divisors is an integer number (641617600).

Almost surely, 2^2566334401 is an apocalyptic number.

It is an amenable number.

2566334401 is a deficient number, since it is larger than the sum of its proper divisors (135999).

2566334401 is a wasteful number, since it uses less digits than its factorization.

2566334401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135998.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2566334401 is about 50659.0011843897. The cubic root of 2566334401 is about 1369.1081273134.

The spelling of 2566334401 in words is "two billion, five hundred sixty-six million, three hundred thirty-four thousand, four hundred one".