636013652242 has 8 divisors (see below), whose sum is σ = 960338495232. Its totient is φ = 315900820500.

The previous prime is 636013652213. The next prime is 636013652251. The reversal of 636013652242 is 242256310636.

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

It is a junction number, because it is equal to n+sod(n) for n = 636013652195 and 636013652204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053002434 + ... + 1053003037.

It is an arithmetic number, because the mean of its divisors is an integer number (120042311904).

Almost surely, 2^636013652242 is an apocalyptic number.

636013652242 is a deficient number, since it is larger than the sum of its proper divisors (324324842990).

636013652242 is a wasteful number, since it uses less digits than its factorization.

636013652242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106005624.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 636013652242 its reverse (242256310636), we get a palindrome (878269962878).

The spelling of 636013652242 in words is "six hundred thirty-six billion, thirteen million, six hundred fifty-two thousand, two hundred forty-two".