44147669 has 2 divisors, whose sum is σ = 44147670. Its totient is φ = 44147668.

The previous prime is 44147581. The next prime is 44147671. The reversal of 44147669 is 96674144.

44147669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 9690769 = 5870^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 44147669 - 2⁸ = 44147413 is a prime.

It is a super-2 number, since 2×44147669² = 3898033356267122, which contains 22 as substring.

Together with 44147671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44147269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22073834 + 22073835.

It is an arithmetic number, because the mean of its divisors is an integer number (22073835).

Almost surely, 2^44147669 is an apocalyptic number.

It is an amenable number.

44147669 is a deficient number, since it is larger than the sum of its proper divisors (1).

44147669 is an equidigital number, since it uses as much as digits as its factorization.

44147669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 44147669 is about 6644.3712268355. The cubic root of 44147669 is about 353.4293342045.

The spelling of 44147669 in words is "forty-four million, one hundred forty-seven thousand, six hundred sixty-nine".