6386648605 has 16 divisors (see below), whose sum is σ = 7709328000. Its totient is φ = 5079169728.

The previous prime is 6386648563. The next prime is 6386648651. The reversal of 6386648605 is 5068466836.

It is a cyclic number.

It is not a de Polignac number, because 6386648605 - 2¹³ = 6386640413 is a prime.

It is a congruent number.

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, 651319 + ... + 661051.

It is an arithmetic number, because the mean of its divisors is an integer number (481833000).

Almost surely, 2^6386648605 is an apocalyptic number.

It is an amenable number.

6386648605 is a deficient number, since it is larger than the sum of its proper divisors (1322679395).

6386648605 is a wasteful number, since it uses less digits than its factorization.

6386648605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The square root of 6386648605 is about 79916.5102153491. The cubic root of 6386648605 is about 1855.3435578170.

The spelling of 6386648605 in words is "six billion, three hundred eighty-six million, six hundred forty-eight thousand, six hundred five".