3201809011 has 2 divisors, whose sum is σ = 3201809012. Its totient is φ = 3201809010.

The previous prime is 3201808993. The next prime is 3201809021. The reversal of 3201809011 is 1109081023.

It is a strong prime.

It is an emirp because it is prime and its reverse (1109081023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3201809011 - 2⁹ = 3201808499 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201809021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600904505 + 1600904506.

It is an arithmetic number, because the mean of its divisors is an integer number (1600904506).

Almost surely, 2^3201809011 is an apocalyptic number.

3201809011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201809011 is an equidigital number, since it uses as much as digits as its factorization.

3201809011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 3201809011 is about 56584.5297850923. The cubic root of 3201809011 is about 1473.8902327086.

The spelling of 3201809011 in words is "three billion, two hundred one million, eight hundred nine thousand, eleven".