44474909 has 2 divisors, whose sum is σ = 44474910. Its totient is φ = 44474908.

The previous prime is 44474891. The next prime is 44474921. The reversal of 44474909 is 90947444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37478884 + 6996025 = 6122^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 44474909 - 2¹⁶ = 44409373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44474959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22237454 + 22237455.

It is an arithmetic number, because the mean of its divisors is an integer number (22237455).

Almost surely, 2^44474909 is an apocalyptic number.

It is an amenable number.

44474909 is a deficient number, since it is larger than the sum of its proper divisors (1).

44474909 is an equidigital number, since it uses as much as digits as its factorization.

44474909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 44474909 is about 6668.9511169299. The cubic root of 44474909 is about 354.3004381284.

The spelling of 44474909 in words is "forty-four million, four hundred seventy-four thousand, nine hundred nine".