2866804943 has 2 divisors, whose sum is σ = 2866804944. Its totient is φ = 2866804942.

The previous prime is 2866804921. The next prime is 2866804957. The reversal of 2866804943 is 3494086682.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2866804943 - 2⁸ = 2866804687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2866804891 and 2866804900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2866804043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433402471 + 1433402472.

It is an arithmetic number, because the mean of its divisors is an integer number (1433402472).

Almost surely, 2^2866804943 is an apocalyptic number.

2866804943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866804943 is an equidigital number, since it uses as much as digits as its factorization.

2866804943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2866804943 is about 53542.5526380654. The cubic root of 2866804943 is about 1420.5811518948.

The spelling of 2866804943 in words is "two billion, eight hundred sixty-six million, eight hundred four thousand, nine hundred forty-three".