6250000663 has 2 divisors, whose sum is σ = 6250000664. Its totient is φ = 6250000662.

The previous prime is 6250000661. The next prime is 6250000697. The reversal of 6250000663 is 3660000526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6250000663 - 2¹ = 6250000661 is a prime.

Together with 6250000661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6250000661) 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, 3125000331 + 3125000332.

It is an arithmetic number, because the mean of its divisors is an integer number (3125000332).

Almost surely, 2^6250000663 is an apocalyptic number.

6250000663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6250000663 is an equidigital number, since it uses as much as digits as its factorization.

6250000663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 6250000663 is about 79056.9456973895. The cubic root of 6250000663 is about 1842.0158144539.

The spelling of 6250000663 in words is "six billion, two hundred fifty million, six hundred sixty-three", and thus it is an aban number.