44207573989 has 4 divisors (see below), whose sum is σ = 45402373324. Its totient is φ = 43012774656.

The previous prime is 44207573983. The next prime is 44207574001. The reversal of 44207573989 is 98937570244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28212913089 + 15994660900 = 167967^2 + 126470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44207573989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44207573983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597399612 + ... + 597399685.

It is an arithmetic number, because the mean of its divisors is an integer number (11350593331).

Almost surely, 2^44207573989 is an apocalyptic number.

It is an amenable number.

44207573989 is a deficient number, since it is larger than the sum of its proper divisors (1194799335).

44207573989 is a wasteful number, since it uses less digits than its factorization.

44207573989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194799334.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 44207573989 in words is "forty-four billion, two hundred seven million, five hundred seventy-three thousand, nine hundred eighty-nine".