44880000091 has 2 divisors, whose sum is σ = 44880000092. Its totient is φ = 44880000090.

The previous prime is 44880000089. The next prime is 44880000103. The reversal of 44880000091 is 19000008844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44880000091 - 2¹ = 44880000089 is a prime.

Together with 44880000089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44880006091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22440000045 + 22440000046.

It is an arithmetic number, because the mean of its divisors is an integer number (22440000046).

Almost surely, 2^44880000091 is an apocalyptic number.

44880000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

44880000091 is an equidigital number, since it uses as much as digits as its factorization.

44880000091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 44880000091 in words is "forty-four billion, eight hundred eighty million, ninety-one", and thus it is an aban number.