6336402921 has 24 divisors (see below), whose sum is σ = 9452551680. Its totient is φ = 4087099296.

The previous prime is 6336402899. The next prime is 6336402953. The reversal of 6336402921 is 1292046336.

6336402921 is a `hidden beast` number, since 6 + 3 + 3 + 640 + 2 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 6336402921 - 2¹⁵ = 6336370153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6336400921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6456 + ... + 112758.

It is an arithmetic number, because the mean of its divisors is an integer number (393856320).

Almost surely, 2^6336402921 is an apocalyptic number.

It is an amenable number.

6336402921 is a deficient number, since it is larger than the sum of its proper divisors (3116148759).

6336402921 is a wasteful number, since it uses less digits than its factorization.

6336402921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106525 (or 106522 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 6336402921 is about 79601.5258710535. The cubic root of 6336402921 is about 1850.4652271417.

The spelling of 6336402921 in words is "six billion, three hundred thirty-six million, four hundred two thousand, nine hundred twenty-one".