44602009 has 2 divisors, whose sum is σ = 44602010. Its totient is φ = 44602008.

The previous prime is 44602001. The next prime is 44602043. The reversal of 44602009 is 90020644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43520409 + 1081600 = 6597^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 44602009 - 2³ = 44602001 is a prime.

It is not a weakly prime, because it can be changed into another prime (44602001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22301004 + 22301005.

It is an arithmetic number, because the mean of its divisors is an integer number (22301005).

Almost surely, 2^44602009 is an apocalyptic number.

It is an amenable number.

44602009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44602009 is an equidigital number, since it uses as much as digits as its factorization.

44602009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 44602009 is about 6678.4735531407. The cubic root of 44602009 is about 354.6376226797.

The spelling of 44602009 in words is "forty-four million, six hundred two thousand, nine".