6433958634 has 16 divisors (see below), whose sum is σ = 12869407488. Its totient is φ = 2144404512.

The previous prime is 6433958633. The next prime is 6433958653. The reversal of 6433958634 is 4368593346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6433958633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402 + ... + 113445.

It is an arithmetic number, because the mean of its divisors is an integer number (804337968).

Almost surely, 2^6433958634 is an apocalyptic number.

6433958634 is an abundant number, since it is smaller than the sum of its proper divisors (6435448854).

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

6433958634 is a wasteful number, since it uses less digits than its factorization.

6433958634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124189.

The product of its digits is 5598720, while the sum is 51.

The square root of 6433958634 is about 80211.9606667235. The cubic root of 6433958634 is about 1859.9135345399.

The spelling of 6433958634 in words is "six billion, four hundred thirty-three million, nine hundred fifty-eight thousand, six hundred thirty-four".