6315791623 has 2 divisors, whose sum is σ = 6315791624. Its totient is φ = 6315791622.

The previous prime is 6315791609. The next prime is 6315791681. The reversal of 6315791623 is 3261975136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6315791623 - 2¹³ = 6315783431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6315791623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6315791683) 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, 3157895811 + 3157895812.

It is an arithmetic number, because the mean of its divisors is an integer number (3157895812).

Almost surely, 2^6315791623 is an apocalyptic number.

6315791623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315791623 is an equidigital number, since it uses as much as digits as its factorization.

6315791623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 6315791623 is about 79471.9549463834. The cubic root of 6315791623 is about 1848.4566259125.

The spelling of 6315791623 in words is "six billion, three hundred fifteen million, seven hundred ninety-one thousand, six hundred twenty-three".