6872693789 has 8 divisors (see below), whose sum is σ = 7656582360. Its totient is φ = 6125265216.

The previous prime is 6872693767. The next prime is 6872693801. The reversal of 6872693789 is 9873962786.

6872693789 = T₁₂₅₂₆ + T₁₂₅₂₇ + ... + T₁₂₆₁₂.

It can be written as a sum of positive squares in 4 ways, for example, as 1349974564 + 5522719225 = 36742^2 + 74315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6872693789 - 2¹⁶ = 6872628253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6872693719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114602 + ... + 9115355.

It is an arithmetic number, because the mean of its divisors is an integer number (957072795).

Almost surely, 2^6872693789 is an apocalyptic number.

It is an amenable number.

6872693789 is a deficient number, since it is larger than the sum of its proper divisors (783888571).

6872693789 is a wasteful number, since it uses less digits than its factorization.

6872693789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18229999.

The product of its digits is 54867456, while the sum is 65.

The square root of 6872693789 is about 82901.7116168297. The cubic root of 6872693789 is about 1901.2635905830.

The spelling of 6872693789 in words is "six billion, eight hundred seventy-two million, six hundred ninety-three thousand, seven hundred eighty-nine".