8716923643 has 2 divisors, whose sum is σ = 8716923644. Its totient is φ = 8716923642.

The previous prime is 8716923637. The next prime is 8716923653. The reversal of 8716923643 is 3463296178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8716923643 - 2²⁹ = 8180052731 is a prime.

It is not a weakly prime, because it can be changed into another prime (8716923623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4358461821 + 4358461822.

It is an arithmetic number, because the mean of its divisors is an integer number (4358461822).

Almost surely, 2^8716923643 is an apocalyptic number.

8716923643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8716923643 is an equidigital number, since it uses as much as digits as its factorization.

8716923643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 8716923643 is about 93364.4667044160. The cubic root of 8716923643 is about 2058.0428550070.

The spelling of 8716923643 in words is "eight billion, seven hundred sixteen million, nine hundred twenty-three thousand, six hundred forty-three".