44226213149 has 2 divisors, whose sum is σ = 44226213150. Its totient is φ = 44226213148.

The previous prime is 44226213137. The next prime is 44226213169. The reversal of 44226213149 is 94131262244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38372892100 + 5853321049 = 195890^2 + 76507^2 .

It is a cyclic number.

It is not a de Polignac number, because 44226213149 - 2⁸ = 44226212893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44226213169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22113106574 + 22113106575.

It is an arithmetic number, because the mean of its divisors is an integer number (22113106575).

Almost surely, 2^44226213149 is an apocalyptic number.

It is an amenable number.

44226213149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44226213149 is an equidigital number, since it uses as much as digits as its factorization.

44226213149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The spelling of 44226213149 in words is "forty-four billion, two hundred twenty-six million, two hundred thirteen thousand, one hundred forty-nine".