6881407534817 has 2 divisors, whose sum is σ = 6881407534818. Its totient is φ = 6881407534816.

The previous prime is 6881407534787. The next prime is 6881407534889. The reversal of 6881407534817 is 7184357041886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6816464618896 + 64942915921 = 2610836^2 + 254839^2 .

It is a cyclic number.

It is not a de Polignac number, because 6881407534817 - 2¹⁶ = 6881407469281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6881407534817.

It is not a weakly prime, because it can be changed into another prime (6881407533817) 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, 3440703767408 + 3440703767409.

It is an arithmetic number, because the mean of its divisors is an integer number (3440703767409).

Almost surely, 2^{6881407534817} is an apocalyptic number.

It is an amenable number.

6881407534817 is a deficient number, since it is larger than the sum of its proper divisors (1).

6881407534817 is an equidigital number, since it uses as much as digits as its factorization.

6881407534817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36126720, while the sum is 62.

The spelling of 6881407534817 in words is "six trillion, eight hundred eighty-one billion, four hundred seven million, five hundred thirty-four thousand, eight hundred seventeen".