2445567889 has 2 divisors, whose sum is σ = 2445567890. Its totient is φ = 2445567888.

The previous prime is 2445567869. The next prime is 2445567913. The reversal of 2445567889 is 9887655442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2322468864 + 123099025 = 48192^2 + 11095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445567889 - 2⁵ = 2445567857 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2445567869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222783944 + 1222783945.

It is an arithmetic number, because the mean of its divisors is an integer number (1222783945).

Almost surely, 2^2445567889 is an apocalyptic number.

It is an amenable number.

2445567889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445567889 is an equidigital number, since it uses as much as digits as its factorization.

2445567889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 58.

The square root of 2445567889 is about 49452.6833346786. The cubic root of 2445567889 is about 1347.2863438625.

The spelling of 2445567889 in words is "two billion, four hundred forty-five million, five hundred sixty-seven thousand, eight hundred eighty-nine".