636090000001 has 8 divisors (see below), whose sum is σ = 639980395200. Its totient is φ = 632203347600.

The previous prime is 636089999921. The next prime is 636090000017. The reversal of 636090000001 is 100000090636.

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 636090000001 - 2³¹ = 633942516353 is a prime.

It is a super-2 number, since 2×636090000001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636090000031) 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, 594381 + ... + 1274938.

It is an arithmetic number, because the mean of its divisors is an integer number (79997549400).

Almost surely, 2^636090000001 is an apocalyptic number.

It is an amenable number.

636090000001 is a deficient number, since it is larger than the sum of its proper divisors (3890395199).

636090000001 is a wasteful number, since it uses less digits than its factorization.

636090000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871399.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 636090000001 its reverse (100000090636), we get a palindrome (736090090637).

The spelling of 636090000001 in words is "six hundred thirty-six billion, ninety million, one", and thus it is an aban number.