6830879421 has 4 divisors (see below), whose sum is σ = 9107839232. Its totient is φ = 4553919612.

The previous prime is 6830879413. The next prime is 6830879437. The reversal of 6830879421 is 1249780386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6830879421 - 2³ = 6830879413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6830879441) 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, 1138479901 + ... + 1138479906.

It is an arithmetic number, because the mean of its divisors is an integer number (2276959808).

Almost surely, 2^6830879421 is an apocalyptic number.

It is an amenable number.

6830879421 is a deficient number, since it is larger than the sum of its proper divisors (2276959811).

6830879421 is a wasteful number, since it uses less digits than its factorization.

6830879421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276959810.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 6830879421 is about 82649.1344237797. The cubic root of 6830879421 is about 1897.3998987606.

The spelling of 6830879421 in words is "six billion, eight hundred thirty million, eight hundred seventy-nine thousand, four hundred twenty-one".