2564143064 has 32 divisors (see below), whose sum is σ = 5576609280. Its totient is φ = 1082515104.

The previous prime is 2564143051. The next prime is 2564143067. The reversal of 2564143064 is 4603414652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564143067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337952 + ... + 345455.

It is an arithmetic number, because the mean of its divisors is an integer number (174269040).

Almost surely, 2^2564143064 is an apocalyptic number.

It is an amenable number.

2564143064 is an abundant number, since it is smaller than the sum of its proper divisors (3012466216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564143064 is a wasteful number, since it uses less digits than its factorization.

2564143064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683487 (or 683483 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2564143064 is about 50637.3682570491. The cubic root of 2564143064 is about 1368.7183324853.

The spelling of 2564143064 in words is "two billion, five hundred sixty-four million, one hundred forty-three thousand, sixty-four".