2564411457 has 8 divisors (see below), whose sum is σ = 3419465920. Its totient is φ = 1709482320.

The previous prime is 2564411411. The next prime is 2564411471. The reversal of 2564411457 is 7541144652.

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

It is not a de Polignac number, because 2564411457 - 2¹¹ = 2564409409 is a prime.

It is a super-2 number, since 2×2564411457² = 13152412241585725698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564411477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38919 + ... + 81507.

It is an arithmetic number, because the mean of its divisors is an integer number (427433240).

Almost surely, 2^2564411457 is an apocalyptic number.

It is an amenable number.

2564411457 is a deficient number, since it is larger than the sum of its proper divisors (855054463).

2564411457 is a wasteful number, since it uses less digits than its factorization.

2564411457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62663.

The product of its digits is 134400, while the sum is 39.

The square root of 2564411457 is about 50640.0183353047. The cubic root of 2564411457 is about 1368.7660861394.

The spelling of 2564411457 in words is "two billion, five hundred sixty-four million, four hundred eleven thousand, four hundred fifty-seven".