2564447214 has 32 divisors (see below), whose sum is σ = 6170100480. Its totient is φ = 694135872.

The previous prime is 2564447191. The next prime is 2564447227. The reversal of 2564447214 is 4127444652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605999 + ... + 1607594.

It is an arithmetic number, because the mean of its divisors is an integer number (192815640).

Almost surely, 2^2564447214 is an apocalyptic number.

2564447214 is an abundant number, since it is smaller than the sum of its proper divisors (3605653266).

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

2564447214 is a wasteful number, since it uses less digits than its factorization.

2564447214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213624.

The product of its digits is 215040, while the sum is 39.

The square root of 2564447214 is about 50640.3713848941. The cubic root of 2564447214 is about 1368.7724479294.

The spelling of 2564447214 in words is "two billion, five hundred sixty-four million, four hundred forty-seven thousand, two hundred fourteen".