634749611 has 2 divisors, whose sum is σ = 634749612. Its totient is φ = 634749610.

The previous prime is 634749601. The next prime is 634749631. The reversal of 634749611 is 116947436.

634749611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634749611 - 2¹⁴ = 634733227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (634749601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317374805 + 317374806.

It is an arithmetic number, because the mean of its divisors is an integer number (317374806).

Almost surely, 2^634749611 is an apocalyptic number.

634749611 is a deficient number, since it is larger than the sum of its proper divisors (1).

634749611 is an equidigital number, since it uses as much as digits as its factorization.

634749611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 634749611 is about 25194.2376546702. The cubic root of 634749611 is about 859.4108146678.

The spelling of 634749611 in words is "six hundred thirty-four million, seven hundred forty-nine thousand, six hundred eleven".