6823607961613 has 2 divisors, whose sum is σ = 6823607961614. Its totient is φ = 6823607961612.

The previous prime is 6823607961571. The next prime is 6823607961617. The reversal of 6823607961613 is 3161697063286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6608611601284 + 214996360329 = 2570722^2 + 463677^2 .

It is a cyclic number.

It is not a de Polignac number, because 6823607961613 - 2⁹ = 6823607961101 is a prime.

It is a super-2 number, since 2×6823607961613² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6823607961617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411803980806 + 3411803980807.

It is an arithmetic number, because the mean of its divisors is an integer number (3411803980807).

Almost surely, 2^{6823607961613} is an apocalyptic number.

It is an amenable number.

6823607961613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6823607961613 is an equidigital number, since it uses as much as digits as its factorization.

6823607961613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 6823607961613 in words is "six trillion, eight hundred twenty-three billion, six hundred seven million, nine hundred sixty-one thousand, six hundred thirteen".