84246443317213 has 2 divisors, whose sum is σ = 84246443317214. Its totient is φ = 84246443317212.

The previous prime is 84246443317147. The next prime is 84246443317241. The reversal of 84246443317213 is 31271334464248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81449126856889 + 2797316460324 = 9024917^2 + 1672518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84246443317213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84246443327213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42123221658606 + 42123221658607.

It is an arithmetic number, because the mean of its divisors is an integer number (42123221658607).

Almost surely, 2^{84246443317213} is an apocalyptic number.

It is an amenable number.

84246443317213 is a deficient number, since it is larger than the sum of its proper divisors (1).

84246443317213 is an equidigital number, since it uses as much as digits as its factorization.

84246443317213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 52.

The spelling of 84246443317213 in words is "eighty-four trillion, two hundred forty-six billion, four hundred forty-three million, three hundred seventeen thousand, two hundred thirteen".