2201869409 has 2 divisors, whose sum is σ = 2201869410. Its totient is φ = 2201869408.

The previous prime is 2201869381. The next prime is 2201869421. The reversal of 2201869409 is 9049681022.

2201869409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145619409 + 1056250000 = 33847^2 + 32500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201869409 - 2²⁴ = 2185092193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201869429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100934704 + 1100934705.

It is an arithmetic number, because the mean of its divisors is an integer number (1100934705).

Almost surely, 2^2201869409 is an apocalyptic number.

It is an amenable number.

2201869409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201869409 is an equidigital number, since it uses as much as digits as its factorization.

2201869409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2201869409 is about 46924.0813335754. The cubic root of 2201869409 is about 1300.9597270059.

The spelling of 2201869409 in words is "two billion, two hundred one million, eight hundred sixty-nine thousand, four hundred nine".