8345492543 has 2 divisors, whose sum is σ = 8345492544. Its totient is φ = 8345492542.

The previous prime is 8345492513. The next prime is 8345492563. The reversal of 8345492543 is 3452945438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8345492543 - 2⁶ = 8345492479 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8345492513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172746271 + 4172746272.

It is an arithmetic number, because the mean of its divisors is an integer number (4172746272).

Almost surely, 2^8345492543 is an apocalyptic number.

8345492543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8345492543 is an equidigital number, since it uses as much as digits as its factorization.

8345492543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 47.

The square root of 8345492543 is about 91353.6673757545. The cubic root of 8345492543 is about 2028.3862495800.

The spelling of 8345492543 in words is "eight billion, three hundred forty-five million, four hundred ninety-two thousand, five hundred forty-three".