6331421604 has 72 divisors (see below), whose sum is σ = 15780532320. Its totient is φ = 1975195008.

The previous prime is 6331421573. The next prime is 6331421671. The reversal of 6331421604 is 4061241336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350752 + ... + 368360.

It is an arithmetic number, because the mean of its divisors is an integer number (219174060).

Almost surely, 2^6331421604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6331421604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7890266160).

6331421604 is an abundant number, since it is smaller than the sum of its proper divisors (9449110716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6331421604 is a wasteful number, since it uses less digits than its factorization.

6331421604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17737 (or 17716 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6331421604 is about 79570.2306393541. The cubic root of 6331421604 is about 1849.9801900971.

The spelling of 6331421604 in words is "six billion, three hundred thirty-one million, four hundred twenty-one thousand, six hundred four".