44989061549 has 2 divisors, whose sum is σ = 44989061550. Its totient is φ = 44989061548.

The previous prime is 44989061459. The next prime is 44989061597. The reversal of 44989061549 is 94516098944.

Together with previous prime (44989061459) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28008365449 + 16980696100 = 167357^2 + 130310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44989061549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44989061849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22494530774 + 22494530775.

It is an arithmetic number, because the mean of its divisors is an integer number (22494530775).

Almost surely, 2^44989061549 is an apocalyptic number.

It is an amenable number.

44989061549 is a deficient number, since it is larger than the sum of its proper divisors (1).

44989061549 is an equidigital number, since it uses as much as digits as its factorization.

44989061549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 44989061549 in words is "forty-four billion, nine hundred eighty-nine million, sixty-one thousand, five hundred forty-nine".