2566434453 has 8 divisors (see below), whose sum is σ = 3732995616. Its totient is φ = 1555414800.

The previous prime is 2566434449. The next prime is 2566434463. The reversal of 2566434453 is 3544346652.

It is a happy number.

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

It is not a de Polignac number, because 2566434453 - 2² = 2566434449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566434433) 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 7 ways as a sum of consecutive naturals, for example, 38885338 + ... + 38885403.

It is an arithmetic number, because the mean of its divisors is an integer number (466624452).

Almost surely, 2^2566434453 is an apocalyptic number.

It is an amenable number.

2566434453 is a deficient number, since it is larger than the sum of its proper divisors (1166561163).

2566434453 is a wasteful number, since it uses less digits than its factorization.

2566434453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77770755.

The product of its digits is 1036800, while the sum is 42.

The square root of 2566434453 is about 50659.9886794302. The cubic root of 2566434453 is about 1369.1259192565.

The spelling of 2566434453 in words is "two billion, five hundred sixty-six million, four hundred thirty-four thousand, four hundred fifty-three".