338642011 has 2 divisors, whose sum is σ = 338642012. Its totient is φ = 338642010.

The previous prime is 338642009. The next prime is 338642021. The reversal of 338642011 is 110246833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338642011 - 2¹ = 338642009 is a prime.

It is a super-2 number, since 2×338642011² = 229356823228248242, which contains 22 as substring.

Together with 338642009, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338642021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169321005 + 169321006.

It is an arithmetic number, because the mean of its divisors is an integer number (169321006).

Almost surely, 2^338642011 is an apocalyptic number.

338642011 is a deficient number, since it is larger than the sum of its proper divisors (1).

338642011 is an equidigital number, since it uses as much as digits as its factorization.

338642011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 338642011 is about 18402.2284248403. The cubic root of 338642011 is about 697.0227365892.

Adding to 338642011 its reverse (110246833), we get a palindrome (448888844).

The spelling of 338642011 in words is "three hundred thirty-eight million, six hundred forty-two thousand, eleven".