629308249 has 4 divisors (see below), whose sum is σ = 629435664. Its totient is φ = 629180836.

The previous prime is 629308223. The next prime is 629308283. The reversal of 629308249 is 942803926.

629308249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 629308249 - 2⁵ = 629308217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629308049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55987 + ... + 66280.

It is an arithmetic number, because the mean of its divisors is an integer number (157358916).

Almost surely, 2^629308249 is an apocalyptic number.

It is an amenable number.

629308249 is a deficient number, since it is larger than the sum of its proper divisors (127415).

629308249 is a wasteful number, since it uses less digits than its factorization.

629308249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127414.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 629308249 is about 25086.0170015090. The cubic root of 629308249 is about 856.9480104818.

The spelling of 629308249 in words is "six hundred twenty-nine million, three hundred eight thousand, two hundred forty-nine".