634229069 has 2 divisors, whose sum is σ = 634229070. Its totient is φ = 634229068.

The previous prime is 634229053. The next prime is 634229077. The reversal of 634229069 is 960922436.

634229069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604668100 + 29560969 = 24590^2 + 5437^2 .

It is a cyclic number.

It is not a de Polignac number, because 634229069 - 2⁴ = 634229053 is a prime.

It is a super-2 number, since 2×634229069² = 804493023929213522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634229009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317114534 + 317114535.

It is an arithmetic number, because the mean of its divisors is an integer number (317114535).

Almost surely, 2^634229069 is an apocalyptic number.

It is an amenable number.

634229069 is a deficient number, since it is larger than the sum of its proper divisors (1).

634229069 is an equidigital number, since it uses as much as digits as its factorization.

634229069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 634229069 is about 25183.9049593188. The cubic root of 634229069 is about 859.1758234410.

The spelling of 634229069 in words is "six hundred thirty-four million, two hundred twenty-nine thousand, sixty-nine".