6872186256269 has 2 divisors, whose sum is σ = 6872186256270. Its totient is φ = 6872186256268.

The previous prime is 6872186256233. The next prime is 6872186256323. The reversal of 6872186256269 is 9626526812786.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5552559693769 + 1319626562500 = 2356387^2 + 1148750^2 .

It is a cyclic number.

It is not a de Polignac number, because 6872186256269 - 2²⁸ = 6871917820813 is a prime.

It is a super-2 number, since 2×6872186256269² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6872186256199 and 6872186256208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6872156256269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436093128134 + 3436093128135.

It is an arithmetic number, because the mean of its divisors is an integer number (3436093128135).

Almost surely, 2^{6872186256269} is an apocalyptic number.

It is an amenable number.

6872186256269 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872186256269 is an equidigital number, since it uses as much as digits as its factorization.

6872186256269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209018880, while the sum is 68.

The spelling of 6872186256269 in words is "six trillion, eight hundred seventy-two billion, one hundred eighty-six million, two hundred fifty-six thousand, two hundred sixty-nine".