6444686482 has 8 divisors (see below), whose sum is σ = 10410647436. Its totient is φ = 2974470672.

The previous prime is 6444686473. The next prime is 6444686491. The reversal of 6444686482 is 2846864446.

It is an interprime number because it is at equal distance from previous prime (6444686473) and next prime (6444686491).

It can be written as a sum of positive squares in 2 ways, for example, as 5113823121 + 1330863361 = 71511^2 + 36481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123936253 + ... + 123936304.

Almost surely, 2^6444686482 is an apocalyptic number.

6444686482 is a deficient number, since it is larger than the sum of its proper divisors (3965960954).

6444686482 is a wasteful number, since it uses less digits than its factorization.

6444686482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247872572.

The product of its digits is 7077888, while the sum is 52.

The square root of 6444686482 is about 80278.8046871651. The cubic root of 6444686482 is about 1860.9466875033.

The spelling of 6444686482 in words is "six billion, four hundred forty-four million, six hundred eighty-six thousand, four hundred eighty-two".