6332638427 has 4 divisors (see below), whose sum is σ = 6333327000. Its totient is φ = 6331949856.

The previous prime is 6332638391. The next prime is 6332638439. The reversal of 6332638427 is 7248362336.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6332638427 - 2¹⁸ = 6332376283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6332638457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330302 + ... + 348947.

It is an arithmetic number, because the mean of its divisors is an integer number (1583331750).

Almost surely, 2^6332638427 is an apocalyptic number.

6332638427 is a deficient number, since it is larger than the sum of its proper divisors (688573).

6332638427 is an equidigital number, since it uses as much as digits as its factorization.

6332638427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688572.

The product of its digits is 870912, while the sum is 44.

The square root of 6332638427 is about 79577.8764921508. The cubic root of 6332638427 is about 1850.0986971450.

The spelling of 6332638427 in words is "six billion, three hundred thirty-two million, six hundred thirty-eight thousand, four hundred twenty-seven".