8223051859213 has 2 divisors, whose sum is σ = 8223051859214. Its totient is φ = 8223051859212.

The previous prime is 8223051859207. The next prime is 8223051859237. The reversal of 8223051859213 is 3129581503228.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8154577006884 + 68474852329 = 2855622^2 + 261677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8223051859213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8223051850213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111525929606 + 4111525929607.

It is an arithmetic number, because the mean of its divisors is an integer number (4111525929607).

Almost surely, 2^{8223051859213} is an apocalyptic number.

It is an amenable number.

8223051859213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223051859213 is an equidigital number, since it uses as much as digits as its factorization.

8223051859213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 8223051859213 in words is "eight trillion, two hundred twenty-three billion, fifty-one million, eight hundred fifty-nine thousand, two hundred thirteen".