2445568889 has 4 divisors (see below), whose sum is σ = 2524458240. Its totient is φ = 2366679540.

The previous prime is 2445568871. The next prime is 2445568891. The reversal of 2445568889 is 9888655442.

2445568889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2445568889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2445568819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39444629 + ... + 39444690.

It is an arithmetic number, because the mean of its divisors is an integer number (631114560).

Almost surely, 2^2445568889 is an apocalyptic number.

It is an amenable number.

2445568889 is a deficient number, since it is larger than the sum of its proper divisors (78889351).

2445568889 is an equidigital number, since it uses as much as digits as its factorization.

2445568889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78889350.

The product of its digits is 22118400, while the sum is 59.

The square root of 2445568889 is about 49452.6934453524. The cubic root of 2445568889 is about 1347.2865274989.

The spelling of 2445568889 in words is "two billion, four hundred forty-five million, five hundred sixty-eight thousand, eight hundred eighty-nine".