6364384521 has 32 divisors (see below), whose sum is σ = 9340531200. Its totient is φ = 3822622080.

The previous prime is 6364384513. The next prime is 6364384567. The reversal of 6364384521 is 1254834636.

6364384521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6364384521 - 2³ = 6364384513 is a prime.

It is a super-4 number, since 4×6364384521⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6364384511) 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 in 31 ways as a sum of consecutive naturals, for example, 3930250 + ... + 3931868.

It is an arithmetic number, because the mean of its divisors is an integer number (291891600).

Almost surely, 2^6364384521 is an apocalyptic number.

It is an amenable number.

6364384521 is a deficient number, since it is larger than the sum of its proper divisors (2976146679).

6364384521 is a wasteful number, since it uses less digits than its factorization.

6364384521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629.

The product of its digits is 414720, while the sum is 42.

The square root of 6364384521 is about 79777.0927083709. The cubic root of 6364384521 is about 1853.1851165442.

The spelling of 6364384521 in words is "six billion, three hundred sixty-four million, three hundred eighty-four thousand, five hundred twenty-one".