6388974605 has 32 divisors (see below), whose sum is σ = 8545195008. Its totient is φ = 4553856000.

The previous prime is 6388974539. The next prime is 6388974607. The reversal of 6388974605 is 5064798836.

It is not a de Polignac number, because 6388974605 - 2⁸ = 6388974349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6388974607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804062 + ... + 811968.

It is an arithmetic number, because the mean of its divisors is an integer number (267037344).

Almost surely, 2^6388974605 is an apocalyptic number.

6388974605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6388974605 is a deficient number, since it is larger than the sum of its proper divisors (2156220403).

6388974605 is a wasteful number, since it uses less digits than its factorization.

6388974605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 6388974605 is about 79931.0615780874. The cubic root of 6388974605 is about 1855.5687674998.

The spelling of 6388974605 in words is "six billion, three hundred eighty-eight million, nine hundred seventy-four thousand, six hundred five".