636420067033 has 8 divisors (see below), whose sum is σ = 654646599936. Its totient is φ = 618444934800.

The previous prime is 636420067021. The next prime is 636420067039. The reversal of 636420067033 is 330760024636.

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 636420067033 - 2⁵ = 636420067001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636420067039) 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, 62845033 + ... + 62855158.

It is an arithmetic number, because the mean of its divisors is an integer number (81830824992).

Almost surely, 2^636420067033 is an apocalyptic number.

It is an amenable number.

636420067033 is a deficient number, since it is larger than the sum of its proper divisors (18226532903).

636420067033 is a wasteful number, since it uses less digits than its factorization.

636420067033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125700335.

The product of its (nonzero) digits is 326592, while the sum is 40.

The spelling of 636420067033 in words is "six hundred thirty-six billion, four hundred twenty million, sixty-seven thousand, thirty-three".