44021437871 has 2 divisors, whose sum is σ = 44021437872. Its totient is φ = 44021437870.

The previous prime is 44021437861. The next prime is 44021437883. The reversal of 44021437871 is 17873412044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44021437871 - 2¹⁰ = 44021436847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44021437861) 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, 22010718935 + 22010718936.

It is an arithmetic number, because the mean of its divisors is an integer number (22010718936).

Almost surely, 2^44021437871 is an apocalyptic number.

44021437871 is a deficient number, since it is larger than the sum of its proper divisors (1).

44021437871 is an equidigital number, since it uses as much as digits as its factorization.

44021437871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 44021437871 in words is "forty-four billion, twenty-one million, four hundred thirty-seven thousand, eight hundred seventy-one".