6444114449 has 2 divisors, whose sum is σ = 6444114450. Its totient is φ = 6444114448.

The previous prime is 6444114431. The next prime is 6444114473. The reversal of 6444114449 is 9444114446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3545368849 + 2898745600 = 59543^2 + 53840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6444114449 is a prime.

It is a super-2 number, since 2×6444114449² = 83053222063621147202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6444114409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222057224 + 3222057225.

It is an arithmetic number, because the mean of its divisors is an integer number (3222057225).

Almost surely, 2^6444114449 is an apocalyptic number.

It is an amenable number.

6444114449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444114449 is an equidigital number, since it uses as much as digits as its factorization.

6444114449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 41.

The square root of 6444114449 is about 80275.2418183838. The cubic root of 6444114449 is about 1860.8916264119.

The spelling of 6444114449 in words is "six billion, four hundred forty-four million, one hundred fourteen thousand, four hundred forty-nine".