44450909 has 2 divisors, whose sum is σ = 44450910. Its totient is φ = 44450908.

The previous prime is 44450897. The next prime is 44450911. The reversal of 44450909 is 90905444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 21362884 = 4805^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 44450909 - 2¹² = 44446813 is a prime.

Together with 44450911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44450969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22225454 + 22225455.

It is an arithmetic number, because the mean of its divisors is an integer number (22225455).

Almost surely, 2^44450909 is an apocalyptic number.

It is an amenable number.

44450909 is a deficient number, since it is larger than the sum of its proper divisors (1).

44450909 is an equidigital number, since it uses as much as digits as its factorization.

44450909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 44450909 is about 6667.1514907043. The cubic root of 44450909 is about 354.2366962667.

The spelling of 44450909 in words is "forty-four million, four hundred fifty thousand, nine hundred nine".