7956286526213 has 2 divisors, whose sum is σ = 7956286526214. Its totient is φ = 7956286526212.

The previous prime is 7956286526179. The next prime is 7956286526219. The reversal of 7956286526213 is 3126256826597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6151501169284 + 1804785356929 = 2480222^2 + 1343423^2 .

It is an emirp because it is prime and its reverse (3126256826597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7956286526213 - 2²² = 7956282331909 is a prime.

It is a super-2 number, since 2×7956286526213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7956286526219) 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, 3978143263106 + 3978143263107.

It is an arithmetic number, because the mean of its divisors is an integer number (3978143263107).

Almost surely, 2^{7956286526213} is an apocalyptic number.

It is an amenable number.

7956286526213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7956286526213 is an equidigital number, since it uses as much as digits as its factorization.

7956286526213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 62.

The spelling of 7956286526213 in words is "seven trillion, nine hundred fifty-six billion, two hundred eighty-six million, five hundred twenty-six thousand, two hundred thirteen".