44316989 has 2 divisors, whose sum is σ = 44316990. Its totient is φ = 44316988.

The previous prime is 44316973. The next prime is 44316991. The reversal of 44316989 is 98961344.

44316989 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., 44023225 + 293764 = 6635^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 44316989 - 2⁴ = 44316973 is a prime.

It is a super-2 number, since 2×44316989² = 3927991028052242, which contains 22 as substring.

Together with 44316991, 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 (44316919) 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, 22158494 + 22158495.

It is an arithmetic number, because the mean of its divisors is an integer number (22158495).

Almost surely, 2^44316989 is an apocalyptic number.

It is an amenable number.

44316989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44316989 is an equidigital number, since it uses as much as digits as its factorization.

44316989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 44316989 is about 6657.1006451758. The cubic root of 44316989 is about 353.8805948167.

The spelling of 44316989 in words is "forty-four million, three hundred sixteen thousand, nine hundred eighty-nine".