44521454489 has 2 divisors, whose sum is σ = 44521454490. Its totient is φ = 44521454488.

The previous prime is 44521454473. The next prime is 44521454539. The reversal of 44521454489 is 98445412544.

It is a happy number.

It is an a-pointer prime, because the next prime (44521454539) can be obtained adding 44521454489 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27202894489 + 17318560000 = 164933^2 + 131600^2 .

It is a cyclic number.

It is not a de Polignac number, because 44521454489 - 2⁴ = 44521454473 is a prime.

It is a super-2 number, since 2×44521454489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44521451489) 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, 22260727244 + 22260727245.

It is an arithmetic number, because the mean of its divisors is an integer number (22260727245).

Almost surely, 2^44521454489 is an apocalyptic number.

It is an amenable number.

44521454489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44521454489 is an equidigital number, since it uses as much as digits as its factorization.

44521454489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3686400, while the sum is 50.

The spelling of 44521454489 in words is "forty-four billion, five hundred twenty-one million, four hundred fifty-four thousand, four hundred eighty-nine".