6605770243 has 2 divisors, whose sum is σ = 6605770244. Its totient is φ = 6605770242.

The previous prime is 6605770231. The next prime is 6605770279. The reversal of 6605770243 is 3420775066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6605770243 - 2¹⁷ = 6605639171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6605770196 and 6605770205.

It is not a weakly prime, because it can be changed into another prime (6605770643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302885121 + 3302885122.

It is an arithmetic number, because the mean of its divisors is an integer number (3302885122).

Almost surely, 2^6605770243 is an apocalyptic number.

6605770243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6605770243 is an equidigital number, since it uses as much as digits as its factorization.

6605770243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 6605770243 is about 81275.8896783050. The cubic root of 6605770243 is about 1876.3239472332.

The spelling of 6605770243 in words is "six billion, six hundred five million, seven hundred seventy thousand, two hundred forty-three".