44259289813 has 2 divisors, whose sum is σ = 44259289814. Its totient is φ = 44259289812.

The previous prime is 44259289801. The next prime is 44259289843. The reversal of 44259289813 is 31898295244.

It is a happy number.

44259289813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25474394449 + 18784895364 = 159607^2 + 137058^2 .

It is a cyclic number.

It is not a de Polignac number, because 44259289813 - 2³³ = 35669355221 is a prime.

It is a super-2 number, since 2×44259289813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44259289843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22129644906 + 22129644907.

It is an arithmetic number, because the mean of its divisors is an integer number (22129644907).

Almost surely, 2^44259289813 is an apocalyptic number.

It is an amenable number.

44259289813 is a deficient number, since it is larger than the sum of its proper divisors (1).

44259289813 is an equidigital number, since it uses as much as digits as its factorization.

44259289813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 55.

The spelling of 44259289813 in words is "forty-four billion, two hundred fifty-nine million, two hundred eighty-nine thousand, eight hundred thirteen".