6864039061 has 4 divisors (see below), whose sum is σ = 7488042624. Its totient is φ = 6240035500.

The previous prime is 6864039041. The next prime is 6864039089. The reversal of 6864039061 is 1609304686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6864039061 - 2⁹ = 6864038549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6864038999 and 6864039017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864039041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312001765 + ... + 312001786.

It is an arithmetic number, because the mean of its divisors is an integer number (1872010656).

Almost surely, 2^6864039061 is an apocalyptic number.

It is an amenable number.

6864039061 is a deficient number, since it is larger than the sum of its proper divisors (624003563).

6864039061 is a wasteful number, since it uses less digits than its factorization.

6864039061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624003562.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 6864039061 is about 82849.4964438529. The cubic root of 6864039061 is about 1900.4651733608.

It can be divided in two parts, 68640 and 39061, that added together give a palindrome (107701).

The spelling of 6864039061 in words is "six billion, eight hundred sixty-four million, thirty-nine thousand, sixty-one".