44036081389 has 2 divisors, whose sum is σ = 44036081390. Its totient is φ = 44036081388.

The previous prime is 44036081363. The next prime is 44036081407. The reversal of 44036081389 is 98318063044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40545044164 + 3491037225 = 201358^2 + 59085^2 .

It is a cyclic number.

It is not a de Polignac number, because 44036081389 - 2¹¹ = 44036079341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44036081339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22018040694 + 22018040695.

It is an arithmetic number, because the mean of its divisors is an integer number (22018040695).

Almost surely, 2^44036081389 is an apocalyptic number.

It is an amenable number.

44036081389 is a deficient number, since it is larger than the sum of its proper divisors (1).

44036081389 is an equidigital number, since it uses as much as digits as its factorization.

44036081389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 44036081389 in words is "forty-four billion, thirty-six million, eighty-one thousand, three hundred eighty-nine".