444148183847 has 4 divisors (see below), whose sum is σ = 444257881200. Its totient is φ = 444038486496.

The previous prime is 444148183799. The next prime is 444148183849. The reversal of 444148183847 is 748381841444.

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 444148183847 - 2³⁶ = 375428707111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444148183792 and 444148183801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444148183849) 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, 54842603 + ... + 54850700.

It is an arithmetic number, because the mean of its divisors is an integer number (111064470300).

Almost surely, 2^444148183847 is an apocalyptic number.

444148183847 is a deficient number, since it is larger than the sum of its proper divisors (109697353).

444148183847 is a wasteful number, since it uses less digits than its factorization.

444148183847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109697352.

The product of its digits is 11010048, while the sum is 56.

The spelling of 444148183847 in words is "four hundred forty-four billion, one hundred forty-eight million, one hundred eighty-three thousand, eight hundred forty-seven".