629304109 has 6 divisors (see below), whose sum is σ = 732047694. Its totient is φ = 539403480.

The previous prime is 629304083. The next prime is 629304131. The reversal of 629304109 is 901403926.

It can be written as a sum of positive squares in only one way, i.e., 608855625 + 20448484 = 24675^2 + 4522^2 .

It is not a de Polignac number, because 629304109 - 2⁵ = 629304077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629304209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6421422 + ... + 6421519.

It is an arithmetic number, because the mean of its divisors is an integer number (122007949).

Almost surely, 2^629304109 is an apocalyptic number.

It is an amenable number.

629304109 is a deficient number, since it is larger than the sum of its proper divisors (102743585).

629304109 is a wasteful number, since it uses less digits than its factorization.

629304109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12842955 (or 12842948 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 629304109 is about 25085.9344852848. The cubic root of 629304109 is about 856.9461312900.

The spelling of 629304109 in words is "six hundred twenty-nine million, three hundred four thousand, one hundred nine".