444253313311 has 4 divisors (see below), whose sum is σ = 452635451352. Its totient is φ = 435871175272.

The previous prime is 444253313239. The next prime is 444253313321. The reversal of 444253313311 is 113313352444.

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

It is a cyclic number.

It is not a de Polignac number, because 444253313311 - 2¹⁹ = 444252789023 is a prime.

It is a super-2 number, since 2×444253313311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444253313321) 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, 4191068941 + ... + 4191069046.

It is an arithmetic number, because the mean of its divisors is an integer number (113158862838).

Almost surely, 2^444253313311 is an apocalyptic number.

444253313311 is a deficient number, since it is larger than the sum of its proper divisors (8382138041).

444253313311 is an equidigital number, since it uses as much as digits as its factorization.

444253313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382138040.

The product of its digits is 51840, while the sum is 34.

Adding to 444253313311 its reverse (113313352444), we get a palindrome (557566665755).

The spelling of 444253313311 in words is "four hundred forty-four billion, two hundred fifty-three million, three hundred thirteen thousand, three hundred eleven".