4444306513919 has 16 divisors (see below), whose sum is σ = 4508481245856. Its totient is φ = 4380542208000.

The previous prime is 4444306513873. The next prime is 4444306513949. The reversal of 4444306513919 is 9193156034444.

It is a cyclic number.

It is not a de Polignac number, because 4444306513919 - 2²⁴ = 4444289736703 is a prime.

It is a super-2 number, since 2×4444306513919² (a number of 26 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 (4444306513949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23878619 + ... + 24064019.

It is an arithmetic number, because the mean of its divisors is an integer number (281780077866).

Almost surely, 2^{4444306513919} is an apocalyptic number.

4444306513919 is a deficient number, since it is larger than the sum of its proper divisors (64174731937).

4444306513919 is a wasteful number, since it uses less digits than its factorization.

4444306513919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186506.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 4444306513919 in words is "four trillion, four hundred forty-four billion, three hundred six million, five hundred thirteen thousand, nine hundred nineteen".