636565006141 has 4 divisors (see below), whose sum is σ = 641577329152. Its totient is φ = 631552683132.

The previous prime is 636565006109. The next prime is 636565006157. The reversal of 636565006141 is 141600565636.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 636565006141 - 2⁵ = 636565006109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636560006141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506161315 + ... + 2506161568.

It is an arithmetic number, because the mean of its divisors is an integer number (160394332288).

Almost surely, 2^636565006141 is an apocalyptic number.

It is an amenable number.

636565006141 is a deficient number, since it is larger than the sum of its proper divisors (5012323011).

636565006141 is a wasteful number, since it uses less digits than its factorization.

636565006141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012323010.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 636565006141 in words is "six hundred thirty-six billion, five hundred sixty-five million, six thousand, one hundred forty-one".