636332341057 has 8 divisors (see below), whose sum is σ = 727275076416. Its totient is φ = 545399134512.

The previous prime is 636332341027. The next prime is 636332341063. The reversal of 636332341057 is 750143233636.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 636332341057 - 2¹⁵ = 636332308289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (636332341027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238523 + ... + 2506720.

It is an arithmetic number, because the mean of its divisors is an integer number (90909384552).

Almost surely, 2^636332341057 is an apocalyptic number.

It is an amenable number.

636332341057 is a deficient number, since it is larger than the sum of its proper divisors (90942735359).

636332341057 is a wasteful number, since it uses less digits than its factorization.

636332341057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764407.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 636332341057 in words is "six hundred thirty-six billion, three hundred thirty-two million, three hundred forty-one thousand, fifty-seven".