6793212421 has 4 divisors (see below), whose sum is σ = 6802405600. Its totient is φ = 6784019244.

The previous prime is 6793212383. The next prime is 6793212431. The reversal of 6793212421 is 1242123976.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6793212421 is a prime.

It is a super-2 number, since 2×6793212421² = 92295469993657362482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6793212431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595481 + ... + 4596958.

It is an arithmetic number, because the mean of its divisors is an integer number (1700601400).

Almost surely, 2^6793212421 is an apocalyptic number.

It is an amenable number.

6793212421 is a deficient number, since it is larger than the sum of its proper divisors (9193179).

6793212421 is an equidigital number, since it uses as much as digits as its factorization.

6793212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193178.

The product of its digits is 36288, while the sum is 37.

The square root of 6793212421 is about 82420.9464942013. The cubic root of 6793212421 is about 1893.9059058928.

The spelling of 6793212421 in words is "six billion, seven hundred ninety-three million, two hundred twelve thousand, four hundred twenty-one".