6872671825819 has 2 divisors, whose sum is σ = 6872671825820. Its totient is φ = 6872671825818.

The previous prime is 6872671825729. The next prime is 6872671825829. The reversal of 6872671825819 is 9185281762786.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6872671825819 is a prime.

It is a super-2 number, since 2×6872671825819² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6872671825829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436335912909 + 3436335912910.

It is an arithmetic number, because the mean of its divisors is an integer number (3436335912910).

Almost surely, 2^{6872671825819} is an apocalyptic number.

6872671825819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872671825819 is an equidigital number, since it uses as much as digits as its factorization.

6872671825819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 70.

The spelling of 6872671825819 in words is "six trillion, eight hundred seventy-two billion, six hundred seventy-one million, eight hundred twenty-five thousand, eight hundred nineteen".