6433433694 has 32 divisors (see below), whose sum is σ = 14379179040. Its totient is φ = 2132078976.

The previous prime is 6433433659. The next prime is 6433433701. The reversal of 6433433694 is 4963343346.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334987 + ... + 353670.

It is an arithmetic number, because the mean of its divisors is an integer number (449349345).

Almost surely, 2^6433433694 is an apocalyptic number.

6433433694 is an abundant number, since it is smaller than the sum of its proper divisors (7945745346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6433433694 is a wasteful number, since it uses less digits than its factorization.

6433433694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688841 (or 688835 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 45.

The square root of 6433433694 is about 80208.6883947120. The cubic root of 6433433694 is about 1859.8629503599.

The spelling of 6433433694 in words is "six billion, four hundred thirty-three million, four hundred thirty-three thousand, six hundred ninety-four".