6331021798 has 8 divisors (see below), whose sum is σ = 9626622408. Its totient is φ = 3122147664.

The previous prime is 6331021769. The next prime is 6331021831. The reversal of 6331021798 is 8971201336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6331021798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21681436 + ... + 21681727.

It is an arithmetic number, because the mean of its divisors is an integer number (1203327801).

Almost surely, 2^6331021798 is an apocalyptic number.

6331021798 is a deficient number, since it is larger than the sum of its proper divisors (3295600610).

6331021798 is a wasteful number, since it uses less digits than its factorization.

6331021798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43363238.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 6331021798 is about 79567.7183159100. The cubic root of 6331021798 is about 1849.9412494613.

The spelling of 6331021798 in words is "six billion, three hundred thirty-one million, twenty-one thousand, seven hundred ninety-eight".