634334611 has 2 divisors, whose sum is σ = 634334612. Its totient is φ = 634334610.

The previous prime is 634334579. The next prime is 634334629. The reversal of 634334611 is 116433436.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634334611 - 2⁵ = 634334579 is a prime.

It is not a weakly prime, because it can be changed into another prime (634338611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317167305 + 317167306.

It is an arithmetic number, because the mean of its divisors is an integer number (317167306).

Almost surely, 2^634334611 is an apocalyptic number.

634334611 is a deficient number, since it is larger than the sum of its proper divisors (1).

634334611 is an equidigital number, since it uses as much as digits as its factorization.

634334611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 634334611 is about 25186.0002977845. Note that the first 3 decimals coincide. The cubic root of 634334611 is about 859.2234792538.

The spelling of 634334611 in words is "six hundred thirty-four million, three hundred thirty-four thousand, six hundred eleven".