444397850083 has 4 divisors (see below), whose sum is σ = 484797654648. Its totient is φ = 403998045520.

The previous prime is 444397850063. The next prime is 444397850087. The reversal of 444397850083 is 380058793444.

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-444397850083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444397850087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20199902266 + ... + 20199902287.

It is an arithmetic number, because the mean of its divisors is an integer number (121199413662).

Almost surely, 2^444397850083 is an apocalyptic number.

444397850083 is a deficient number, since it is larger than the sum of its proper divisors (40399804565).

444397850083 is a wasteful number, since it uses less digits than its factorization.

444397850083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40399804564.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 444397850083 in words is "four hundred forty-four billion, three hundred ninety-seven million, eight hundred fifty thousand, eighty-three".