6336642121 has 8 divisors (see below), whose sum is σ = 6369063264. Its totient is φ = 6304260960.

The previous prime is 6336642113. The next prime is 6336642157. The reversal of 6336642121 is 1212466336.

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 6336642121 - 2³ = 6336642113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6336042121) 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, 338421 + ... + 356653.

It is an arithmetic number, because the mean of its divisors is an integer number (796132908).

Almost surely, 2^6336642121 is an apocalyptic number.

It is an amenable number.

6336642121 is a deficient number, since it is larger than the sum of its proper divisors (32421143).

6336642121 is a wasteful number, since it uses less digits than its factorization.

6336642121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19991.

The product of its digits is 31104, while the sum is 34.

The square root of 6336642121 is about 79603.0283406354. The cubic root of 6336642121 is about 1850.4885119464.

The spelling of 6336642121 in words is "six billion, three hundred thirty-six million, six hundred forty-two thousand, one hundred twenty-one".