6331394445 has 8 divisors (see below), whose sum is σ = 10130231136. Its totient is φ = 3376743696.

The previous prime is 6331394431. The next prime is 6331394471. The reversal of 6331394445 is 5444931336.

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

It is not a de Polignac number, because 6331394445 - 2¹⁰ = 6331393421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6331394397 and 6331394406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211046467 + ... + 211046496.

It is an arithmetic number, because the mean of its divisors is an integer number (1266278892).

Almost surely, 2^6331394445 is an apocalyptic number.

It is an amenable number.

6331394445 is a deficient number, since it is larger than the sum of its proper divisors (3798836691).

6331394445 is a wasteful number, since it uses less digits than its factorization.

6331394445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422092971.

The product of its digits is 466560, while the sum is 42.

The square root of 6331394445 is about 79570.0599786126. The cubic root of 6331394445 is about 1849.9775448942.

The spelling of 6331394445 in words is "six billion, three hundred thirty-one million, three hundred ninety-four thousand, four hundred forty-five".