8181714413 has 2 divisors, whose sum is σ = 8181714414. Its totient is φ = 8181714412.

The previous prime is 8181714397. The next prime is 8181714419. The reversal of 8181714413 is 3144171818.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8172702409 + 9012004 = 90403^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 8181714413 - 2⁴ = 8181714397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8181714419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4090857206 + 4090857207.

It is an arithmetic number, because the mean of its divisors is an integer number (4090857207).

Almost surely, 2^8181714413 is an apocalyptic number.

It is an amenable number.

8181714413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8181714413 is an equidigital number, since it uses as much as digits as its factorization.

8181714413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 38.

The square root of 8181714413 is about 90452.8297677856. The cubic root of 8181714413 is about 2015.0296397933.

The spelling of 8181714413 in words is "eight billion, one hundred eighty-one million, seven hundred fourteen thousand, four hundred thirteen".