44121440047 has 2 divisors, whose sum is σ = 44121440048. Its totient is φ = 44121440046.

The previous prime is 44121440023. The next prime is 44121440087. The reversal of 44121440047 is 74004412144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44121440047 - 2³¹ = 41973956399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44121440087) 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, 22060720023 + 22060720024.

It is an arithmetic number, because the mean of its divisors is an integer number (22060720024).

Almost surely, 2^44121440047 is an apocalyptic number.

44121440047 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121440047 is an equidigital number, since it uses as much as digits as its factorization.

44121440047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 31.

The spelling of 44121440047 in words is "forty-four billion, one hundred twenty-one million, four hundred forty thousand, forty-seven".