44069561 has 2 divisors, whose sum is σ = 44069562. Its totient is φ = 44069560.

The previous prime is 44069537. The next prime is 44069563. The reversal of 44069561 is 16596044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32035600 + 12033961 = 5660^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 44069561 - 2⁶ = 44069497 is a prime.

Together with 44069563, 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 (44069563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22034780 + 22034781.

It is an arithmetic number, because the mean of its divisors is an integer number (22034781).

Almost surely, 2^44069561 is an apocalyptic number.

It is an amenable number.

44069561 is a deficient number, since it is larger than the sum of its proper divisors (1).

44069561 is an equidigital number, since it uses as much as digits as its factorization.

44069561 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 44069561 is about 6638.4908676596. The cubic root of 44069561 is about 353.2207769128.

The spelling of 44069561 in words is "forty-four million, sixty-nine thousand, five hundred sixty-one".