8493043357 has 2 divisors, whose sum is σ = 8493043358. Its totient is φ = 8493043356.

The previous prime is 8493043313. The next prime is 8493043369. The reversal of 8493043357 is 7533403948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4325824441 + 4167218916 = 65771^2 + 64554^2 .

It is a cyclic number.

It is not a de Polignac number, because 8493043357 - 2¹⁹ = 8492519069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8493043057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246521678 + 4246521679.

It is an arithmetic number, because the mean of its divisors is an integer number (4246521679).

Almost surely, 2^8493043357 is an apocalyptic number.

It is an amenable number.

8493043357 is a deficient number, since it is larger than the sum of its proper divisors (1).

8493043357 is an equidigital number, since it uses as much as digits as its factorization.

8493043357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 8493043357 is about 92157.7091566408. The cubic root of 8493043357 is about 2040.2706417971.

The spelling of 8493043357 in words is "eight billion, four hundred ninety-three million, forty-three thousand, three hundred fifty-seven".