44958989 has 2 divisors, whose sum is σ = 44958990. Its totient is φ = 44958988.

The previous prime is 44958967. The next prime is 44959049. The reversal of 44958989 is 98985944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37576900 + 7382089 = 6130^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 44958989 - 2⁸ = 44958733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44952989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22479494 + 22479495.

It is an arithmetic number, because the mean of its divisors is an integer number (22479495).

Almost surely, 2^44958989 is an apocalyptic number.

It is an amenable number.

44958989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44958989 is an equidigital number, since it uses as much as digits as its factorization.

44958989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 56.

The square root of 44958989 is about 6705.1464562678. The cubic root of 44958989 is about 355.5812444583.

It can be divided in two parts, 4495 and 8989, that multiplied together give a triangular number (40405555 = T₈₉₈₉).

The spelling of 44958989 in words is "forty-four million, nine hundred fifty-eight thousand, nine hundred eighty-nine".