6921446341 has 4 divisors (see below), whose sum is σ = 6934240684. Its totient is φ = 6908652000.

The previous prime is 6921446339. The next prime is 6921446347. The reversal of 6921446341 is 1436441296.

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 1464669441 + 5456776900 = 38271^2 + 73870^2 .

It is a cyclic number.

It is not a de Polignac number, because 6921446341 - 2¹ = 6921446339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6921446294 and 6921446303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6921446347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396360 + ... + 6397441.

It is an arithmetic number, because the mean of its divisors is an integer number (1733560171).

Almost surely, 2^6921446341 is an apocalyptic number.

It is an amenable number.

6921446341 is a deficient number, since it is larger than the sum of its proper divisors (12794343).

6921446341 is a wasteful number, since it uses less digits than its factorization.

6921446341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794342.

The product of its digits is 124416, while the sum is 40.

The square root of 6921446341 is about 83195.2302779432. The cubic root of 6921446341 is about 1905.7486411668.

The spelling of 6921446341 in words is "six billion, nine hundred twenty-one million, four hundred forty-six thousand, three hundred forty-one".