2204109643 has 2 divisors, whose sum is σ = 2204109644. Its totient is φ = 2204109642.

The previous prime is 2204109637. The next prime is 2204109671. The reversal of 2204109643 is 3469014022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2204109643 - 2²⁹ = 1667238731 is a prime.

It is not a weakly prime, because it can be changed into another prime (2204106643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102054821 + 1102054822.

It is an arithmetic number, because the mean of its divisors is an integer number (1102054822).

Almost surely, 2^2204109643 is an apocalyptic number.

2204109643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204109643 is an equidigital number, since it uses as much as digits as its factorization.

2204109643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2204109643 is about 46947.9460999094. The cubic root of 2204109643 is about 1301.4007865207.

The spelling of 2204109643 in words is "two billion, two hundred four million, one hundred nine thousand, six hundred forty-three".