6731421419 has 2 divisors, whose sum is σ = 6731421420. Its totient is φ = 6731421418.

The previous prime is 6731421397. The next prime is 6731421421. The reversal of 6731421419 is 9141241376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6731421419 - 2²⁰ = 6730372843 is a prime.

It is a super-2 number, since 2×6731421419² = 90624068640343947122, which contains 22 as substring.

Together with 6731421421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6731411419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3365710709 + 3365710710.

It is an arithmetic number, because the mean of its divisors is an integer number (3365710710).

Almost surely, 2^6731421419 is an apocalyptic number.

6731421419 is a deficient number, since it is larger than the sum of its proper divisors (1).

6731421419 is an equidigital number, since it uses as much as digits as its factorization.

6731421419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 6731421419 is about 82045.2400752170. The cubic root of 6731421419 is about 1888.1460893843.

The spelling of 6731421419 in words is "six billion, seven hundred thirty-one million, four hundred twenty-one thousand, four hundred nineteen".