44474468789 has 2 divisors, whose sum is σ = 44474468790. Its totient is φ = 44474468788.

The previous prime is 44474468713. The next prime is 44474468867. The reversal of 44474468789 is 98786447444.

44474468789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43274400625 + 1200068164 = 208025^2 + 34642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44474468789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44474068789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22237234394 + 22237234395.

It is an arithmetic number, because the mean of its divisors is an integer number (22237234395).

Almost surely, 2^44474468789 is an apocalyptic number.

It is an amenable number.

44474468789 is a deficient number, since it is larger than the sum of its proper divisors (1).

44474468789 is an equidigital number, since it uses as much as digits as its factorization.

44474468789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 173408256, while the sum is 65.

The spelling of 44474468789 in words is "forty-four billion, four hundred seventy-four million, four hundred sixty-eight thousand, seven hundred eighty-nine".