6439486322 has 8 divisors (see below), whose sum is σ = 9894820572. Its totient is φ = 3141212800.

The previous prime is 6439486301. The next prime is 6439486367. The reversal of 6439486322 is 2236849346.

It can be written as a sum of positive squares in 2 ways, for example, as 6306106921 + 133379401 = 79411^2 + 11549^2 .

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, 39265079 + ... + 39265242.

Almost surely, 2^6439486322 is an apocalyptic number.

6439486322 is a deficient number, since it is larger than the sum of its proper divisors (3455334250).

6439486322 is a wasteful number, since it uses less digits than its factorization.

6439486322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78530364.

The product of its digits is 1492992, while the sum is 47.

The square root of 6439486322 is about 80246.4100256205. The cubic root of 6439486322 is about 1860.4460257286.

The spelling of 6439486322 in words is "six billion, four hundred thirty-nine million, four hundred eighty-six thousand, three hundred twenty-two".