6443404046 has 8 divisors (see below), whose sum is σ = 10085328144. Its totient is φ = 3081628000.

The previous prime is 6443404031. The next prime is 6443404049. The reversal of 6443404046 is 6404043446.

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

It is a junction number, because it is equal to n+sod(n) for n = 6443403997 and 6443404015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443404049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70036955 + ... + 70037046.

It is an arithmetic number, because the mean of its divisors is an integer number (1260666018).

Almost surely, 2^6443404046 is an apocalyptic number.

6443404046 is a deficient number, since it is larger than the sum of its proper divisors (3641924098).

6443404046 is a wasteful number, since it uses less digits than its factorization.

6443404046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140074026.

The product of its (nonzero) digits is 110592, while the sum is 35.

The square root of 6443404046 is about 80270.8169012874. The cubic root of 6443404046 is about 1860.8232419667.

The spelling of 6443404046 in words is "six billion, four hundred forty-three million, four hundred four thousand, forty-six".