6864461385 has 16 divisors (see below), whose sum is σ = 11361867840. Its totient is φ = 3534802880.

The previous prime is 6864461369. The next prime is 6864461407. The reversal of 6864461385 is 5831644686.

It is not a de Polignac number, because 6864461385 - 2⁴ = 6864461369 is a prime.

It is a super-2 number, since 2×6864461385² = 94241660212312236450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 7889751 + ... + 7890620.

It is an arithmetic number, because the mean of its divisors is an integer number (710116740).

Almost surely, 2^6864461385 is an apocalyptic number.

It is an amenable number.

6864461385 is a deficient number, since it is larger than the sum of its proper divisors (4497406455).

6864461385 is a wasteful number, since it uses less digits than its factorization.

6864461385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15780408.

The product of its digits is 3317760, while the sum is 51.

The square root of 6864461385 is about 82852.0451467554. The cubic root of 6864461385 is about 1900.5041492265.

The spelling of 6864461385 in words is "six billion, eight hundred sixty-four million, four hundred sixty-one thousand, three hundred eighty-five".