44421094447 has 4 divisors (see below), whose sum is σ = 44956288440. Its totient is φ = 43885900456.

The previous prime is 44421094409. The next prime is 44421094451. The reversal of 44421094447 is 74449012444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44421094447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421092447) 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 in 3 ways as a sum of consecutive naturals, for example, 267596872 + ... + 267597037.

It is an arithmetic number, because the mean of its divisors is an integer number (11239072110).

Almost surely, 2^44421094447 is an apocalyptic number.

44421094447 is a deficient number, since it is larger than the sum of its proper divisors (535193993).

44421094447 is an equidigital number, since it uses as much as digits as its factorization.

44421094447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535193992.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 44421094447 in words is "forty-four billion, four hundred twenty-one million, ninety-four thousand, four hundred forty-seven".