6821132351 has 8 divisors (see below), whose sum is σ = 7448817024. Its totient is φ = 6194711320.

The previous prime is 6821132341. The next prime is 6821132389. The reversal of 6821132351 is 1532311286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6821132351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6821132341) 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 7 ways as a sum of consecutive naturals, for example, 304601 + ... + 326226.

It is an arithmetic number, because the mean of its divisors is an integer number (931102128).

Almost surely, 2^6821132351 is an apocalyptic number.

6821132351 is a deficient number, since it is larger than the sum of its proper divisors (627684673).

6821132351 is a wasteful number, since it uses less digits than its factorization.

6821132351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631821.

The product of its digits is 8640, while the sum is 32.

The square root of 6821132351 is about 82590.1468154646. The cubic root of 6821132351 is about 1896.4969943684.

The spelling of 6821132351 in words is "six billion, eight hundred twenty-one million, one hundred thirty-two thousand, three hundred fifty-one".