2666832943 has 2 divisors, whose sum is σ = 2666832944. Its totient is φ = 2666832942.

The previous prime is 2666832937. The next prime is 2666832947. The reversal of 2666832943 is 3492386662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2666832943 - 2¹³ = 2666824751 is a prime.

It is a super-2 number, since 2×2666832943² = 14223995891740082498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666832947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333416471 + 1333416472.

It is an arithmetic number, because the mean of its divisors is an integer number (1333416472).

Almost surely, 2^2666832943 is an apocalyptic number.

2666832943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666832943 is an equidigital number, since it uses as much as digits as its factorization.

2666832943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 49.

The square root of 2666832943 is about 51641.3878880109. The cubic root of 2666832943 is about 1386.7513704948.

The spelling of 2666832943 in words is "two billion, six hundred sixty-six million, eight hundred thirty-two thousand, nine hundred forty-three".