6388263625 has 16 divisors (see below), whose sum is σ = 7984753920. Its totient is φ = 5102790000.

The previous prime is 6388263533. The next prime is 6388263677. The reversal of 6388263625 is 5263628836.

It is not a de Polignac number, because 6388263625 - 2⁹ = 6388263113 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 43600 + ... + 121150.

It is an arithmetic number, because the mean of its divisors is an integer number (499047120).

Almost surely, 2^6388263625 is an apocalyptic number.

It is an amenable number.

6388263625 is a deficient number, since it is larger than the sum of its proper divisors (1596490295).

6388263625 is an equidigital number, since it uses as much as digits as its factorization.

6388263625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78225 (or 78215 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 6388263625 is about 79926.6139968409. The cubic root of 6388263625 is about 1855.4999342726.

The spelling of 6388263625 in words is "six billion, three hundred eighty-eight million, two hundred sixty-three thousand, six hundred twenty-five".