44437649 has 2 divisors, whose sum is σ = 44437650. Its totient is φ = 44437648.

The previous prime is 44437597. The next prime is 44437651. The reversal of 44437649 is 94673444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 20866624 = 4855^2 + 4568^2 .

It is a cyclic number.

It is not a de Polignac number, because 44437649 - 2¹² = 44433553 is a prime.

Together with 44437651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44437699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22218824 + 22218825.

It is an arithmetic number, because the mean of its divisors is an integer number (22218825).

Almost surely, 2^44437649 is an apocalyptic number.

It is an amenable number.

44437649 is a deficient number, since it is larger than the sum of its proper divisors (1).

44437649 is an equidigital number, since it uses as much as digits as its factorization.

44437649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 44437649 is about 6666.1569888505. The cubic root of 44437649 is about 354.2014690475.

The spelling of 44437649 in words is "forty-four million, four hundred thirty-seven thousand, six hundred forty-nine".