6403775834 has 8 divisors (see below), whose sum is σ = 9915523968. Its totient is φ = 3098601180.

The previous prime is 6403775831. The next prime is 6403775857. The reversal of 6403775834 is 4385773046.

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

It is not an unprimeable number, because it can be changed into a prime (6403775831) 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, 51643292 + ... + 51643415.

It is an arithmetic number, because the mean of its divisors is an integer number (1239440496).

Almost surely, 2^6403775834 is an apocalyptic number.

6403775834 is a deficient number, since it is larger than the sum of its proper divisors (3511748134).

6403775834 is a wasteful number, since it uses less digits than its factorization.

6403775834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103286740.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The square root of 6403775834 is about 80023.5954828324. The cubic root of 6403775834 is about 1857.0005839338. Note that the first 3 decimals are identical.

The spelling of 6403775834 in words is "six billion, four hundred three million, seven hundred seventy-five thousand, eight hundred thirty-four".