2564341405 has 16 divisors (see below), whose sum is σ = 3107520000. Its totient is φ = 2031353280.

The previous prime is 2564341397. The next prime is 2564341411. The reversal of 2564341405 is 5041434652.

It is not a de Polignac number, because 2564341405 - 2³ = 2564341397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241396 + ... + 251794.

It is an arithmetic number, because the mean of its divisors is an integer number (194220000).

Almost surely, 2^2564341405 is an apocalyptic number.

It is an amenable number.

2564341405 is a deficient number, since it is larger than the sum of its proper divisors (543178595).

2564341405 is a wasteful number, since it uses less digits than its factorization.

2564341405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2564341405 is about 50639.3266641649. The cubic root of 2564341405 is about 1368.7536225031.

The spelling of 2564341405 in words is "two billion, five hundred sixty-four million, three hundred forty-one thousand, four hundred five".