44344441091 has 2 divisors, whose sum is σ = 44344441092. Its totient is φ = 44344441090.

The previous prime is 44344441067. The next prime is 44344441121. The reversal of 44344441091 is 19014444344.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44344441091 - 2²⁶ = 44277332227 is a prime.

It is not a weakly prime, because it can be changed into another prime (44344449091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22172220545 + 22172220546.

It is an arithmetic number, because the mean of its divisors is an integer number (22172220546).

Almost surely, 2^44344441091 is an apocalyptic number.

44344441091 is a deficient number, since it is larger than the sum of its proper divisors (1).

44344441091 is an equidigital number, since it uses as much as digits as its factorization.

44344441091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 44344441091 in words is "forty-four billion, three hundred forty-four million, four hundred forty-one thousand, ninety-one".