629538443 has 4 divisors (see below), whose sum is σ = 633548400. Its totient is φ = 625528488.

The previous prime is 629538433. The next prime is 629538449. The reversal of 629538443 is 344835926.

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 629538443 - 2¹⁴ = 629522059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629538394 and 629538403.

It is not an unprimeable number, because it can be changed into a prime (629538449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004743 + ... + 2005056.

It is an arithmetic number, because the mean of its divisors is an integer number (158387100).

Almost surely, 2^629538443 is an apocalyptic number.

629538443 is a deficient number, since it is larger than the sum of its proper divisors (4009957).

629538443 is a wasteful number, since it uses less digits than its factorization.

629538443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009956.

The product of its digits is 622080, while the sum is 44.

The square root of 629538443 is about 25090.6046758543. The cubic root of 629538443 is about 857.0524851136.

The spelling of 629538443 in words is "six hundred twenty-nine million, five hundred thirty-eight thousand, four hundred forty-three".