6351021379 has 2 divisors, whose sum is σ = 6351021380. Its totient is φ = 6351021378.

The previous prime is 6351021317. The next prime is 6351021403. The reversal of 6351021379 is 9731201536.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6351021379 is a prime.

It is not a weakly prime, because it can be changed into another prime (6351021679) 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 as a sum of consecutive naturals, namely, 3175510689 + 3175510690.

It is an arithmetic number, because the mean of its divisors is an integer number (3175510690).

Almost surely, 2^6351021379 is an apocalyptic number.

6351021379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6351021379 is an equidigital number, since it uses as much as digits as its factorization.

6351021379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 6351021379 is about 79693.2956966896. The cubic root of 6351021379 is about 1851.8871785995.

The spelling of 6351021379 in words is "six billion, three hundred fifty-one million, twenty-one thousand, three hundred seventy-nine".