6411478564 has 24 divisors (see below), whose sum is σ = 11323851840. Its totient is φ = 3176223456.

The previous prime is 6411478561. The next prime is 6411478589. The reversal of 6411478564 is 4658741146.

It is a super-2 number, since 2×6411478564² = 82214114753263004192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6411478561) 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 7 ways as a sum of consecutive naturals, for example, 182169 + ... + 214495.

It is an arithmetic number, because the mean of its divisors is an integer number (471827160).

Almost surely, 2^6411478564 is an apocalyptic number.

It is an amenable number.

6411478564 is a deficient number, since it is larger than the sum of its proper divisors (4912373276).

6411478564 is a wasteful number, since it uses less digits than its factorization.

6411478564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32787 (or 32785 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 6411478564 is about 80071.7088864725. The cubic root of 6411478564 is about 1857.7448449848.

The spelling of 6411478564 in words is "six billion, four hundred eleven million, four hundred seventy-eight thousand, five hundred sixty-four".