8416509293 has 2 divisors, whose sum is σ = 8416509294. Its totient is φ = 8416509292.

The previous prime is 8416509271. The next prime is 8416509307. The reversal of 8416509293 is 3929056148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4888386889 + 3528122404 = 69917^2 + 59398^2 .

It is a cyclic number.

It is not a de Polignac number, because 8416509293 - 2³⁰ = 7342767469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8416109293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4208254646 + 4208254647.

It is an arithmetic number, because the mean of its divisors is an integer number (4208254647).

Almost surely, 2^8416509293 is an apocalyptic number.

It is an amenable number.

8416509293 is a deficient number, since it is larger than the sum of its proper divisors (1).

8416509293 is an equidigital number, since it uses as much as digits as its factorization.

8416509293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 8416509293 is about 91741.5352662032. The cubic root of 8416509293 is about 2034.1235869760.

The spelling of 8416509293 in words is "eight billion, four hundred sixteen million, five hundred nine thousand, two hundred ninety-three".