2564224863 has 8 divisors (see below), whose sum is σ = 3536862000. Its totient is φ = 1650535488.

The previous prime is 2564224849. The next prime is 2564224877. The reversal of 2564224863 is 3684224652.

It is an interprime number because it is at equal distance from previous prime (2564224849) and next prime (2564224877).

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

It is not a de Polignac number, because 2564224863 - 2¹² = 2564220767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564224823) 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, 14736838 + ... + 14737011.

It is an arithmetic number, because the mean of its divisors is an integer number (442107750).

Almost surely, 2^2564224863 is an apocalyptic number.

2564224863 is a deficient number, since it is larger than the sum of its proper divisors (972637137).

2564224863 is a wasteful number, since it uses less digits than its factorization.

2564224863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29473881.

The product of its digits is 552960, while the sum is 42.

The square root of 2564224863 is about 50638.1759446369. The cubic root of 2564224863 is about 1368.7328868735.

It can be divided in two parts, 25642 and 24863, that added together give a palindrome (50505).

The spelling of 2564224863 in words is "two billion, five hundred sixty-four million, two hundred twenty-four thousand, eight hundred sixty-three".