6403859568834 has 64 divisors (see below), whose sum is σ = 15902845426944. Its totient is φ = 1673983696896.

The previous prime is 6403859568809. The next prime is 6403859568929. The reversal of 6403859568834 is 4388659583046.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51835119 + ... + 51958514.

It is an arithmetic number, because the mean of its divisors is an integer number (248481959796).

Almost surely, 2^{6403859568834} is an apocalyptic number.

6403859568834 is an abundant number, since it is smaller than the sum of its proper divisors (9498985858110).

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

6403859568834 is a wasteful number, since it uses less digits than its factorization.

6403859568834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103793771.

The product of its (nonzero) digits is 597196800, while the sum is 69.

The spelling of 6403859568834 in words is "six trillion, four hundred three billion, eight hundred fifty-nine million, five hundred sixty-eight thousand, eight hundred thirty-four".