6352418721 has 16 divisors (see below), whose sum is σ = 9414221760. Its totient is φ = 3777309120.

The previous prime is 6352418719. The next prime is 6352418773. The reversal of 6352418721 is 1278142536.

It is not a de Polignac number, because 6352418721 - 2¹ = 6352418719 is a prime.

It is a super-2 number, since 2×6352418721² = 80706447213822551682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6352418721.

It is not an unprimeable number, because it can be changed into a prime (6352418701) 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 15 ways as a sum of consecutive naturals, for example, 1814266 + ... + 1817763.

It is an arithmetic number, because the mean of its divisors is an integer number (588388860).

Almost surely, 2^6352418721 is an apocalyptic number.

It is an amenable number.

6352418721 is a deficient number, since it is larger than the sum of its proper divisors (3061803039).

6352418721 is a wasteful number, since it uses less digits than its factorization.

6352418721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632096.

The product of its digits is 80640, while the sum is 39.

The square root of 6352418721 is about 79702.0622129691. The cubic root of 6352418721 is about 1852.0229851005.

The spelling of 6352418721 in words is "six billion, three hundred fifty-two million, four hundred eighteen thousand, seven hundred twenty-one".