6261328379 has 2 divisors, whose sum is σ = 6261328380. Its totient is φ = 6261328378.

The previous prime is 6261328351. The next prime is 6261328397. The reversal of 6261328379 is 9738231626.

It is a happy number.

Together with next prime (6261328397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6261328379 - 2²⁰ = 6260279803 is a prime.

It is not a weakly prime, because it can be changed into another prime (6261328679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130664189 + 3130664190.

It is an arithmetic number, because the mean of its divisors is an integer number (3130664190).

Almost surely, 2^6261328379 is an apocalyptic number.

6261328379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6261328379 is an equidigital number, since it uses as much as digits as its factorization.

6261328379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 6261328379 is about 79128.5560275177. The cubic root of 6261328379 is about 1843.1279870670.

The spelling of 6261328379 in words is "six billion, two hundred sixty-one million, three hundred twenty-eight thousand, three hundred seventy-nine".