444456347331 has 4 divisors (see below), whose sum is σ = 592608463112. Its totient is φ = 296304231552.

The previous prime is 444456347281. The next prime is 444456347339. The reversal of 444456347331 is 133743654444.

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

It is not a de Polignac number, because 444456347331 - 2¹⁰ = 444456346307 is a prime.

It is a super-2 number, since 2×444456347331² (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 (444456347339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74076057886 + ... + 74076057891.

It is an arithmetic number, because the mean of its divisors is an integer number (148152115778).

Almost surely, 2^444456347331 is an apocalyptic number.

444456347331 is a deficient number, since it is larger than the sum of its proper divisors (148152115781).

444456347331 is a wasteful number, since it uses less digits than its factorization.

444456347331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148152115780.

The product of its digits is 5806080, while the sum is 48.

The spelling of 444456347331 in words is "four hundred forty-four billion, four hundred fifty-six million, three hundred forty-seven thousand, three hundred thirty-one".