44785858489 has 2 divisors, whose sum is σ = 44785858490. Its totient is φ = 44785858488.

The previous prime is 44785858433. The next prime is 44785858541. The reversal of 44785858489 is 98485858744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44556032889 + 229825600 = 211083^2 + 15160^2 .

It is a cyclic number.

It is not a de Polignac number, because 44785858489 - 2³¹ = 42638374841 is a prime.

It is not a weakly prime, because it can be changed into another prime (44785858409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22392929244 + 22392929245.

It is an arithmetic number, because the mean of its divisors is an integer number (22392929245).

Almost surely, 2^44785858489 is an apocalyptic number.

It is an amenable number.

44785858489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44785858489 is an equidigital number, since it uses as much as digits as its factorization.

44785858489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 412876800, while the sum is 70.

The spelling of 44785858489 in words is "forty-four billion, seven hundred eighty-five million, eight hundred fifty-eight thousand, four hundred eighty-nine".