6863744285 has 4 divisors (see below), whose sum is σ = 8236493148. Its totient is φ = 5490995424.

The previous prime is 6863744269. The next prime is 6863744287. The reversal of 6863744285 is 5824473686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5824473686 = 2 ⋅2912236843.

It can be written as a sum of positive squares in 2 ways, for example, as 4256518564 + 2607225721 = 65242^2 + 51061^2 .

It is a cyclic number.

It is not a de Polignac number, because 6863744285 - 2⁴ = 6863744269 is a prime.

It is a super-2 number, since 2×6863744285² = 94221971219740322450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6863744287) 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 3 ways as a sum of consecutive naturals, for example, 686374424 + ... + 686374433.

It is an arithmetic number, because the mean of its divisors is an integer number (2059123287).

Almost surely, 2^6863744285 is an apocalyptic number.

It is an amenable number.

6863744285 is a deficient number, since it is larger than the sum of its proper divisors (1372748863).

6863744285 is a wasteful number, since it uses less digits than its factorization.

6863744285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372748862.

The product of its digits is 7741440, while the sum is 53.

The square root of 6863744285 is about 82847.7174398909. The cubic root of 6863744285 is about 1900.4379678269.

The spelling of 6863744285 in words is "six billion, eight hundred sixty-three million, seven hundred forty-four thousand, two hundred eighty-five".