6879443018081 has 2 divisors, whose sum is σ = 6879443018082. Its totient is φ = 6879443018080.

The previous prime is 6879443018059. The next prime is 6879443018093. The reversal of 6879443018081 is 1808103449786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6167176224400 + 712266793681 = 2483380^2 + 843959^2 .

It is a cyclic number.

It is not a de Polignac number, because 6879443018081 - 2⁶ = 6879443018017 is a prime.

It is a super-2 number, since 2×6879443018081² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6879443018081.

It is not a weakly prime, because it can be changed into another prime (6879443018011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439721509040 + 3439721509041.

It is an arithmetic number, because the mean of its divisors is an integer number (3439721509041).

Almost surely, 2^{6879443018081} is an apocalyptic number.

It is an amenable number.

6879443018081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6879443018081 is an equidigital number, since it uses as much as digits as its factorization.

6879443018081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 6879443018081 in words is "six trillion, eight hundred seventy-nine billion, four hundred forty-three million, eighteen thousand, eighty-one".