6798237421 has 4 divisors (see below), whose sum is σ = 6809256252. Its totient is φ = 6787218592.

The previous prime is 6798237379. The next prime is 6798237461. The reversal of 6798237421 is 1247328976.

It is a happy number.

6798237421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2307361225 + 4490876196 = 48035^2 + 67014^2 .

It is a cyclic number.

It is not a de Polignac number, because 6798237421 - 2¹⁹ = 6797713133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6798237461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508490 + ... + 5509723.

It is an arithmetic number, because the mean of its divisors is an integer number (1702314063).

Almost surely, 2^6798237421 is an apocalyptic number.

It is an amenable number.

6798237421 is a deficient number, since it is larger than the sum of its proper divisors (11018831).

6798237421 is a wasteful number, since it uses less digits than its factorization.

6798237421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018830.

The product of its digits is 1016064, while the sum is 49.

The square root of 6798237421 is about 82451.4246147391. The cubic root of 6798237421 is about 1894.3727705109.

The spelling of 6798237421 in words is "six billion, seven hundred ninety-eight million, two hundred thirty-seven thousand, four hundred twenty-one".