636083028368 has 10 divisors (see below), whose sum is σ = 1232410867494. Its totient is φ = 318041514176.

The previous prime is 636083028367. The next prime is 636083028397. The reversal of 636083028368 is 863820380636.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 597269300224 + 38813728144 = 772832^2 + 197012^2 .

It is not an unprimeable number, because it can be changed into a prime (636083028367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19877594621 + ... + 19877594652.

Almost surely, 2^636083028368 is an apocalyptic number.

It is an amenable number.

636083028368 is a deficient number, since it is larger than the sum of its proper divisors (596327839126).

636083028368 is a wasteful number, since it uses less digits than its factorization.

636083028368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39755189281 (or 39755189275 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 636083028368 in words is "six hundred thirty-six billion, eighty-three million, twenty-eight thousand, three hundred sixty-eight".