636343352834 has 16 divisors (see below), whose sum is σ = 1090885804800. Its totient is φ = 272715708384.

The previous prime is 636343352833. The next prime is 636343352837. The reversal of 636343352834 is 438253343636.

It is not an unprimeable number, because it can be changed into a prime (636343352833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654982 + ... + 2002910.

It is an arithmetic number, because the mean of its divisors is an integer number (68180362800).

Almost surely, 2^636343352834 is an apocalyptic number.

636343352834 is a deficient number, since it is larger than the sum of its proper divisors (454542451966).

636343352834 is a wasteful number, since it uses less digits than its factorization.

636343352834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478577.

The product of its digits is 11197440, while the sum is 50.

The spelling of 636343352834 in words is "six hundred thirty-six billion, three hundred forty-three million, three hundred fifty-two thousand, eight hundred thirty-four".