943434893 has 2 divisors, whose sum is σ = 943434894. Its totient is φ = 943434892.

The previous prime is 943434881. The next prime is 943434971. The reversal of 943434893 is 398434349.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 684450244 + 258984649 = 26162^2 + 16093^2 .

It is a cyclic number.

It is not a de Polignac number, because 943434893 - 2²⁶ = 876326029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (943434803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471717446 + 471717447.

It is an arithmetic number, because the mean of its divisors is an integer number (471717447).

Almost surely, 2^943434893 is an apocalyptic number.

It is an amenable number.

943434893 is a deficient number, since it is larger than the sum of its proper divisors (1).

943434893 is an equidigital number, since it uses as much as digits as its factorization.

943434893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 47.

The square root of 943434893 is about 30715.3852816467. The cubic root of 943434893 is about 980.7778403875. Note that the first 3 decimals are identical.

The spelling of 943434893 in words is "nine hundred forty-three million, four hundred thirty-four thousand, eight hundred ninety-three".