6320140427 has 2 divisors, whose sum is σ = 6320140428. Its totient is φ = 6320140426.

The previous prime is 6320140423. The next prime is 6320140471. The reversal of 6320140427 is 7240410236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6320140427 - 2² = 6320140423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6320140427.

It is not a weakly prime, because it can be changed into another prime (6320140423) 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, 3160070213 + 3160070214.

It is an arithmetic number, because the mean of its divisors is an integer number (3160070214).

Almost surely, 2^6320140427 is an apocalyptic number.

6320140427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6320140427 is an equidigital number, since it uses as much as digits as its factorization.

6320140427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 6320140427 is about 79499.3108586483. The cubic root of 6320140427 is about 1848.8807865846.

The spelling of 6320140427 in words is "six billion, three hundred twenty million, one hundred forty thousand, four hundred twenty-seven".