82713544843 has 2 divisors, whose sum is σ = 82713544844. Its totient is φ = 82713544842.

The previous prime is 82713544819. The next prime is 82713544861. The reversal of 82713544843 is 34844531728.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82713544843 is a prime.

It is not a weakly prime, because it can be changed into another prime (82713544343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41356772421 + 41356772422.

It is an arithmetic number, because the mean of its divisors is an integer number (41356772422).

Almost surely, 2^82713544843 is an apocalyptic number.

82713544843 is a deficient number, since it is larger than the sum of its proper divisors (1).

82713544843 is an equidigital number, since it uses as much as digits as its factorization.

82713544843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 49.

The spelling of 82713544843 in words is "eighty-two billion, seven hundred thirteen million, five hundred forty-four thousand, eight hundred forty-three".