636084648422 has 4 divisors (see below), whose sum is σ = 954126972636. Its totient is φ = 318042324210.

The previous prime is 636084648413. The next prime is 636084648427. The reversal of 636084648422 is 224846480636.

It is a happy number.

636084648422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636084648427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159021162104 + ... + 159021162107.

It is an arithmetic number, because the mean of its divisors is an integer number (238531743159).

Almost surely, 2^636084648422 is an apocalyptic number.

636084648422 is a deficient number, since it is larger than the sum of its proper divisors (318042324214).

636084648422 is a wasteful number, since it uses less digits than its factorization.

636084648422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318042324213.

The product of its (nonzero) digits is 10616832, while the sum is 53.

The spelling of 636084648422 in words is "six hundred thirty-six billion, eighty-four million, six hundred forty-eight thousand, four hundred twenty-two".