44336681 has 2 divisors, whose sum is σ = 44336682. Its totient is φ = 44336680.

The previous prime is 44336657. The next prime is 44336683. The reversal of 44336681 is 18663344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30349081 + 13987600 = 5509^2 + 3740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44336681 is a prime.

It is a super-3 number, since 3×44336681³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 44336683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44336683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22168340 + 22168341.

It is an arithmetic number, because the mean of its divisors is an integer number (22168341).

Almost surely, 2^44336681 is an apocalyptic number.

It is an amenable number.

44336681 is a deficient number, since it is larger than the sum of its proper divisors (1).

44336681 is an equidigital number, since it uses as much as digits as its factorization.

44336681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 44336681 is about 6658.5795031673. The cubic root of 44336681 is about 353.9330019930.

The spelling of 44336681 in words is "forty-four million, three hundred thirty-six thousand, six hundred eighty-one".