636089999999 has 8 divisors (see below), whose sum is σ = 667845395760. Its totient is φ = 604989354816.

The previous prime is 636089999921. The next prime is 636090000017. The reversal of 636089999999 is 999999980636.

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 636089999999 - 2²⁴ = 636073222783 is a prime.

It is a super-2 number, since 2×636089999999² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

636089999999 is a modest number, since divided by 999999 gives 636089 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 636089999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636089993999) 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, 163685654 + ... + 163689539.

It is an arithmetic number, because the mean of its divisors is an integer number (83480674470).

Almost surely, 2^636089999999 is an apocalyptic number.

636089999999 is a deficient number, since it is larger than the sum of its proper divisors (31755395761).

636089999999 is a wasteful number, since it uses less digits than its factorization.

636089999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327375289.

The product of its (nonzero) digits is 4132485216, while the sum is 86.

The spelling of 636089999999 in words is "six hundred thirty-six billion, eighty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".