44443090409 has 4 divisors (see below), whose sum is σ = 44451797904. Its totient is φ = 44434382916.

The previous prime is 44443090381. The next prime is 44443090423. The reversal of 44443090409 is 90409034444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44443090409 - 2¹² = 44443086313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44443090309) 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, 4346087 + ... + 4356300.

It is an arithmetic number, because the mean of its divisors is an integer number (11112949476).

Almost surely, 2^44443090409 is an apocalyptic number.

It is an amenable number.

44443090409 is a deficient number, since it is larger than the sum of its proper divisors (8707495).

44443090409 is an equidigital number, since it uses as much as digits as its factorization.

44443090409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707494.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 44443090409 in words is "forty-four billion, four hundred forty-three million, ninety thousand, four hundred nine".