2056605443 has 2 divisors, whose sum is σ = 2056605444. Its totient is φ = 2056605442.

The previous prime is 2056605433. The next prime is 2056605451. The reversal of 2056605443 is 3445066502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056605443 - 2⁴ = 2056605427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2056605403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028302721 + 1028302722.

It is an arithmetic number, because the mean of its divisors is an integer number (1028302722).

Almost surely, 2^2056605443 is an apocalyptic number.

2056605443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056605443 is an equidigital number, since it uses as much as digits as its factorization.

2056605443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2056605443 is about 45349.8119400731. The cubic root of 2056605443 is about 1271.6970396032.

The spelling of 2056605443 in words is "two billion, fifty-six million, six hundred five thousand, four hundred forty-three".