4144421043999 has 12 divisors (see below), whose sum is σ = 5996057020200. Its totient is φ = 2758483792944.

The previous prime is 4144421043991. The next prime is 4144421044033. The reversal of 4144421043999 is 9993401244414.

It is a happy number.

4144421043999 is a `hidden beast` number, since 4 + 1 + 4 + 442 + 104 + 3 + 9 + 99 = 666.

4144421043999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4144421043999 - 2³ = 4144421043991 is a prime.

It is a super-2 number, since 2×4144421043999² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144421043991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371958264 + ... + 371969405.

It is an arithmetic number, because the mean of its divisors is an integer number (499671418350).

Almost surely, 2^{4144421043999} is an apocalyptic number.

4144421043999 is a deficient number, since it is larger than the sum of its proper divisors (1851635976201).

4144421043999 is a wasteful number, since it uses less digits than its factorization.

4144421043999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743928294 (or 743928291 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 4144421043999 in words is "four trillion, one hundred forty-four billion, four hundred twenty-one million, forty-three thousand, nine hundred ninety-nine".