44605009 has 2 divisors, whose sum is σ = 44605010. Its totient is φ = 44605008.

The previous prime is 44604997. The next prime is 44605013. The reversal of 44605009 is 90050644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39337984 + 5267025 = 6272^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 44605009 - 2⁷ = 44604881 is a prime.

It is not a weakly prime, because it can be changed into another prime (44605039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22302504 + 22302505.

It is an arithmetic number, because the mean of its divisors is an integer number (22302505).

Almost surely, 2^44605009 is an apocalyptic number.

It is an amenable number.

44605009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44605009 is an equidigital number, since it uses as much as digits as its factorization.

44605009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 44605009 is about 6678.6981515861. The cubic root of 44605009 is about 354.6455736595.

The spelling of 44605009 in words is "forty-four million, six hundred five thousand, nine".