6845934143 has 2 divisors, whose sum is σ = 6845934144. Its totient is φ = 6845934142.

The previous prime is 6845934133. The next prime is 6845934149. The reversal of 6845934143 is 3414395486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6845934143 - 2⁴ = 6845934127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6845934149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422967071 + 3422967072.

It is an arithmetic number, because the mean of its divisors is an integer number (3422967072).

Almost surely, 2^6845934143 is an apocalyptic number.

6845934143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845934143 is an equidigital number, since it uses as much as digits as its factorization.

6845934143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The square root of 6845934143 is about 82740.1603998929. The cubic root of 6845934143 is about 1898.7927828007.

The spelling of 6845934143 in words is "six billion, eight hundred forty-five million, nine hundred thirty-four thousand, one hundred forty-three".