6394916063 has 12 divisors (see below), whose sum is σ = 6630581568. Its totient is φ = 6167367360.

The previous prime is 6394916039. The next prime is 6394916081. The reversal of 6394916063 is 3606194936.

It is a de Polignac number, because none of the positive numbers 2^k-6394916063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6394915999 and 6394916017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394916093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829595 + ... + 837267.

It is an arithmetic number, because the mean of its divisors is an integer number (552548464).

Almost surely, 2^6394916063 is an apocalyptic number.

6394916063 is a deficient number, since it is larger than the sum of its proper divisors (235665505).

6394916063 is an equidigital number, since it uses as much as digits as its factorization.

6394916063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722 (or 8693 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 6394916063 is about 79968.2190810825. The cubic root of 6394916063 is about 1856.1437876883.

The spelling of 6394916063 in words is "six billion, three hundred ninety-four million, nine hundred sixteen thousand, sixty-three".