634529699 has 2 divisors, whose sum is σ = 634529700. Its totient is φ = 634529698.

The previous prime is 634529677. The next prime is 634529729. The reversal of 634529699 is 996925436.

634529699 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 634529699 - 2¹² = 634525603 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634529699.

It is not a weakly prime, because it can be changed into another prime (634529639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317264849 + 317264850.

It is an arithmetic number, because the mean of its divisors is an integer number (317264850).

Almost surely, 2^634529699 is an apocalyptic number.

634529699 is a deficient number, since it is larger than the sum of its proper divisors (1).

634529699 is an equidigital number, since it uses as much as digits as its factorization.

634529699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 53.

The square root of 634529699 is about 25189.8729452929. The cubic root of 634529699 is about 859.3115542256.

The spelling of 634529699 in words is "six hundred thirty-four million, five hundred twenty-nine thousand, six hundred ninety-nine".