6759722279581 has 2 divisors, whose sum is σ = 6759722279582. Its totient is φ = 6759722279580.

The previous prime is 6759722279537. The next prime is 6759722279591. The reversal of 6759722279581 is 1859722279576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5411415800025 + 1348306479556 = 2326245^2 + 1161166^2 .

It is a cyclic number.

It is not a de Polignac number, because 6759722279581 - 2¹¹ = 6759722277533 is a prime.

It is a super-2 number, since 2×6759722279581² (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 6759722279581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6759722279591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3379861139790 + 3379861139791.

It is an arithmetic number, because the mean of its divisors is an integer number (3379861139791).

Almost surely, 2^{6759722279581} is an apocalyptic number.

It is an amenable number.

6759722279581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6759722279581 is an equidigital number, since it uses as much as digits as its factorization.

6759722279581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 266716800, while the sum is 70.

The spelling of 6759722279581 in words is "six trillion, seven hundred fifty-nine billion, seven hundred twenty-two million, two hundred seventy-nine thousand, five hundred eighty-one".