629983147 has 4 divisors (see below), whose sum is σ = 650305216. Its totient is φ = 609661080.

The previous prime is 629983097. The next prime is 629983177. The reversal of 629983147 is 741389926.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 629983147 - 2¹⁵ = 629950379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 629983147.

It is not an unprimeable number, because it can be changed into a prime (629983177) 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, 10160988 + ... + 10161049.

It is an arithmetic number, because the mean of its divisors is an integer number (162576304).

Almost surely, 2^629983147 is an apocalyptic number.

629983147 is a deficient number, since it is larger than the sum of its proper divisors (20322069).

629983147 is a wasteful number, since it uses less digits than its factorization.

629983147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322068.

The product of its digits is 653184, while the sum is 49.

The square root of 629983147 is about 25099.4650739812. The cubic root of 629983147 is about 857.2542440179.

The spelling of 629983147 in words is "six hundred twenty-nine million, nine hundred eighty-three thousand, one hundred forty-seven".