44119999991 has 2 divisors, whose sum is σ = 44119999992. Its totient is φ = 44119999990.

The previous prime is 44119999949. The next prime is 44119999999. The reversal of 44119999991 is 19999991144.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44119999991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44119999999) 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, 22059999995 + 22059999996.

It is an arithmetic number, because the mean of its divisors is an integer number (22059999996).

Almost surely, 2^44119999991 is an apocalyptic number.

44119999991 is a deficient number, since it is larger than the sum of its proper divisors (1).

44119999991 is an equidigital number, since it uses as much as digits as its factorization.

44119999991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 65.

The spelling of 44119999991 in words is "forty-four billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-one".