6864381369 has 28 divisors (see below), whose sum is σ = 10373042176. Its totient is φ = 4540159512.

The previous prime is 6864381361. The next prime is 6864381449. The reversal of 6864381369 is 9631834686.

It is not a de Polignac number, because 6864381369 - 2³ = 6864381361 is a prime.

It is a super-2 number, since 2×6864381369² = 94239463158148628322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6864381361) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 55512 + ... + 129654.

It is an arithmetic number, because the mean of its divisors is an integer number (370465792).

Almost surely, 2^6864381369 is an apocalyptic number.

It is an amenable number.

6864381369 is a deficient number, since it is larger than the sum of its proper divisors (3508660807).

6864381369 is an equidigital number, since it uses as much as digits as its factorization.

6864381369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74288 (or 74273 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 6864381369 is about 82851.5622604668. The cubic root of 6864381369 is about 1900.4967647515.

The spelling of 6864381369 in words is "six billion, eight hundred sixty-four million, three hundred eighty-one thousand, three hundred sixty-nine".