44502989 has 2 divisors, whose sum is σ = 44502990. Its totient is φ = 44502988.

The previous prime is 44502973. The next prime is 44503007. The reversal of 44502989 is 98920544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35200489 + 9302500 = 5933^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 44502989 - 2⁴ = 44502973 is a prime.

It is equal to p_2689907 and since 44502989 and 2689907 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44502919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22251494 + 22251495.

It is an arithmetic number, because the mean of its divisors is an integer number (22251495).

Almost surely, 2^44502989 is an apocalyptic number.

It is an amenable number.

44502989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44502989 is an equidigital number, since it uses as much as digits as its factorization.

44502989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 44502989 is about 6671.0560633231. The cubic root of 44502989 is about 354.3749870032.

The spelling of 44502989 in words is "forty-four million, five hundred two thousand, nine hundred eighty-nine".