8335166842493 has 2 divisors, whose sum is σ = 8335166842494. Its totient is φ = 8335166842492.

The previous prime is 8335166842463. The next prime is 8335166842571. The reversal of 8335166842493 is 3942486615338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8197238538724 + 137928303769 = 2863082^2 + 371387^2 .

It is a cyclic number.

It is not a de Polignac number, because 8335166842493 - 2²⁶ = 8335099733629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8335166842463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167583421246 + 4167583421247.

It is an arithmetic number, because the mean of its divisors is an integer number (4167583421247).

Almost surely, 2^{8335166842493} is an apocalyptic number.

It is an amenable number.

8335166842493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8335166842493 is an equidigital number, since it uses as much as digits as its factorization.

8335166842493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89579520, while the sum is 62.

The spelling of 8335166842493 in words is "eight trillion, three hundred thirty-five billion, one hundred sixty-six million, eight hundred forty-two thousand, four hundred ninety-three".