444097121209 has 8 divisors (see below), whose sum is σ = 516141933120. Its totient is φ = 374202900816.

The previous prime is 444097121203. The next prime is 444097121227. The reversal of 444097121209 is 902121790444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444097121209 - 2⁵ = 444097121177 is a prime.

It is a super-2 number, since 2×444097121209² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444097121203) 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 7 ways as a sum of consecutive naturals, for example, 537647434 + ... + 537648259.

It is an arithmetic number, because the mean of its divisors is an integer number (64517741640).

Almost surely, 2^444097121209 is an apocalyptic number.

It is an amenable number.

444097121209 is a deficient number, since it is larger than the sum of its proper divisors (72044811911).

444097121209 is a wasteful number, since it uses less digits than its factorization.

444097121209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075295759.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 444097121209 in words is "four hundred forty-four billion, ninety-seven million, one hundred twenty-one thousand, two hundred nine".