8733816172493 has 2 divisors, whose sum is σ = 8733816172494. Its totient is φ = 8733816172492.

The previous prime is 8733816172421. The next prime is 8733816172531. The reversal of 8733816172493 is 3942716183378.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6515628920329 + 2218187252164 = 2552573^2 + 1489358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8733816172493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8733816172093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4366908086246 + 4366908086247.

It is an arithmetic number, because the mean of its divisors is an integer number (4366908086247).

Almost surely, 2^{8733816172493} is an apocalyptic number.

It is an amenable number.

8733816172493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8733816172493 is an equidigital number, since it uses as much as digits as its factorization.

8733816172493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 62.

The spelling of 8733816172493 in words is "eight trillion, seven hundred thirty-three billion, eight hundred sixteen million, one hundred seventy-two thousand, four hundred ninety-three".