6433894942 has 8 divisors (see below), whose sum is σ = 9651473496. Its totient is φ = 3216737112.

The previous prime is 6433894891. The next prime is 6433894991. The reversal of 6433894942 is 2494983346.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6433894942.

It is a congruent number.

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, 63673 + ... + 130084.

It is an arithmetic number, because the mean of its divisors is an integer number (1206434187).

Almost surely, 2^6433894942 is an apocalyptic number.

6433894942 is a deficient number, since it is larger than the sum of its proper divisors (3217578554).

6433894942 is a wasteful number, since it uses less digits than its factorization.

6433894942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210362.

The product of its digits is 4478976, while the sum is 52.

The square root of 6433894942 is about 80211.5636426569. The cubic root of 6433894942 is about 1859.9073972088.

The spelling of 6433894942 in words is "six billion, four hundred thirty-three million, eight hundred ninety-four thousand, nine hundred forty-two".