8514344393 has 2 divisors, whose sum is σ = 8514344394. Its totient is φ = 8514344392.

The previous prime is 8514344383. The next prime is 8514344471. The reversal of 8514344393 is 3934434158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4521621049 + 3992723344 = 67243^2 + 63188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8514344393 is a prime.

It is a super-2 number, since 2×8514344393² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8514344303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4257172196 + 4257172197.

It is an arithmetic number, because the mean of its divisors is an integer number (4257172197).

Almost surely, 2^8514344393 is an apocalyptic number.

It is an amenable number.

8514344393 is a deficient number, since it is larger than the sum of its proper divisors (1).

8514344393 is an equidigital number, since it uses as much as digits as its factorization.

8514344393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 8514344393 is about 92273.2051735497. The cubic root of 8514344393 is about 2041.9749227332.

The spelling of 8514344393 in words is "eight billion, five hundred fourteen million, three hundred forty-four thousand, three hundred ninety-three".