44828745989 has 2 divisors, whose sum is σ = 44828745990. Its totient is φ = 44828745988.

The previous prime is 44828745971. The next prime is 44828746007. The reversal of 44828745989 is 98954782844.

It is a balanced prime because it is at equal distance from previous prime (44828745971) and next prime (44828746007).

It can be written as a sum of positive squares in only one way, i.e., 43250273089 + 1578472900 = 207967^2 + 39730^2 .

It is a cyclic number.

It is not a de Polignac number, because 44828745989 - 2⁸ = 44828745733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44828742989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22414372994 + 22414372995.

It is an arithmetic number, because the mean of its divisors is an integer number (22414372995).

Almost surely, 2^44828745989 is an apocalyptic number.

It is an amenable number.

44828745989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44828745989 is an equidigital number, since it uses as much as digits as its factorization.

44828745989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185794560, while the sum is 68.

The spelling of 44828745989 in words is "forty-four billion, eight hundred twenty-eight million, seven hundred forty-five thousand, nine hundred eighty-nine".