2564223603 has 32 divisors (see below), whose sum is σ = 3738009600. Its totient is φ = 1558090656.

The previous prime is 2564223533. The next prime is 2564223619. The reversal of 2564223603 is 3063224652.

It is not a de Polignac number, because 2564223603 - 2¹³ = 2564215411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564223643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149950 + ... + 166172.

It is an arithmetic number, because the mean of its divisors is an integer number (116812800).

Almost surely, 2^2564223603 is an apocalyptic number.

2564223603 is a deficient number, since it is larger than the sum of its proper divisors (1173785997).

2564223603 is a wasteful number, since it uses less digits than its factorization.

2564223603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16351.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 2564223603 is about 50638.1635034289. The cubic root of 2564223603 is about 1368.7326626857.

The spelling of 2564223603 in words is "two billion, five hundred sixty-four million, two hundred twenty-three thousand, six hundred three".