636536045245241 has 32 divisors (see below), whose sum is σ = 641102288486400. Its totient is φ = 631992594723840.

The previous prime is 636536045245237. The next prime is 636536045245283. The reversal of 636536045245241 is 142542540635636.

It is a cyclic number.

It is not a de Polignac number, because 636536045245241 - 2² = 636536045245237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636536045248241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310051652771 + ... + 310051654823.

It is an arithmetic number, because the mean of its divisors is an integer number (20034446515200).

Almost surely, 2^{636536045245241} is an apocalyptic number.

It is an amenable number.

636536045245241 is a deficient number, since it is larger than the sum of its proper divisors (4566243241159).

636536045245241 is a wasteful number, since it uses less digits than its factorization.

636536045245241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769.

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 636536045245241 in words is "six hundred thirty-six trillion, five hundred thirty-six billion, forty-five million, two hundred forty-five thousand, two hundred forty-one".