6943604893 has 2 divisors, whose sum is σ = 6943604894. Its totient is φ = 6943604892.

The previous prime is 6943604881. The next prime is 6943604909. The reversal of 6943604893 is 3984063496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5444521369 + 1499083524 = 73787^2 + 38718^2 .

It is a cyclic number.

It is not a de Polignac number, because 6943604893 - 2¹⁷ = 6943473821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6943604893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6943604813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471802446 + 3471802447.

It is an arithmetic number, because the mean of its divisors is an integer number (3471802447).

Almost surely, 2^6943604893 is an apocalyptic number.

It is an amenable number.

6943604893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6943604893 is an equidigital number, since it uses as much as digits as its factorization.

6943604893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The square root of 6943604893 is about 83328.2958724106. The cubic root of 6943604893 is about 1907.7801841041.

The spelling of 6943604893 in words is "six billion, nine hundred forty-three million, six hundred four thousand, eight hundred ninety-three".