636045430046323 has 16 divisors (see below), whose sum is σ = 714531436112736. Its totient is φ = 561087167408640.

The previous prime is 636045430046311. The next prime is 636045430046347. The reversal of 636045430046323 is 323640034540636.

It is a cyclic number.

It is not a de Polignac number, because 636045430046323 - 2⁴⁹ = 73095476625011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (636045430046393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094707686 + ... + 2095011307.

It is an arithmetic number, because the mean of its divisors is an integer number (44658214757046).

Almost surely, 2^{636045430046323} is an apocalyptic number.

636045430046323 is a deficient number, since it is larger than the sum of its proper divisors (78486006066413).

636045430046323 is a wasteful number, since it uses less digits than its factorization.

636045430046323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189719414.

The product of its (nonzero) digits is 11197440, while the sum is 49.

Adding to 636045430046323 its reverse (323640034540636), we get a palindrome (959685464586959).

The spelling of 636045430046323 in words is "six hundred thirty-six trillion, forty-five billion, four hundred thirty million, forty-six thousand, three hundred twenty-three".