634590629 has 2 divisors, whose sum is σ = 634590630. Its totient is φ = 634590628.

The previous prime is 634590617. The next prime is 634590667. The reversal of 634590629 is 926095436.

634590629 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 can be written as a sum of positive squares in only one way, i.e., 504676225 + 129914404 = 22465^2 + 11398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634590629 is a 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 634590629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634590529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317295314 + 317295315.

It is an arithmetic number, because the mean of its divisors is an integer number (317295315).

Almost surely, 2^634590629 is an apocalyptic number.

It is an amenable number.

634590629 is a deficient number, since it is larger than the sum of its proper divisors (1).

634590629 is an equidigital number, since it uses as much as digits as its factorization.

634590629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 634590629 is about 25191.0823308567. The cubic root of 634590629 is about 859.3390581535.

The spelling of 634590629 in words is "six hundred thirty-four million, five hundred ninety thousand, six hundred twenty-nine".