2564676455 has 8 divisors (see below), whose sum is σ = 3357394704. Its totient is φ = 1865219200.

The previous prime is 2564676371. The next prime is 2564676523. The reversal of 2564676455 is 5546764652.

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

It is not a de Polignac number, because 2564676455 - 2⁸ = 2564676199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23315186 + ... + 23315295.

It is an arithmetic number, because the mean of its divisors is an integer number (419674338).

Almost surely, 2^2564676455 is an apocalyptic number.

2564676455 is a deficient number, since it is larger than the sum of its proper divisors (792718249).

2564676455 is a wasteful number, since it uses less digits than its factorization.

2564676455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46630497.

The product of its digits is 6048000, while the sum is 50.

The square root of 2564676455 is about 50642.6347557076. The cubic root of 2564676455 is about 1368.8132324714.

The spelling of 2564676455 in words is "two billion, five hundred sixty-four million, six hundred seventy-six thousand, four hundred fifty-five".