629489663 has 8 divisors (see below), whose sum is σ = 690204240. Its totient is φ = 569356480.

The previous prime is 629489647. The next prime is 629489669. The reversal of 629489663 is 366984926.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 629489663 - 2⁴ = 629489647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629489669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143078 + ... + 147411.

It is an arithmetic number, because the mean of its divisors is an integer number (86275530).

Almost surely, 2^629489663 is an apocalyptic number.

629489663 is a deficient number, since it is larger than the sum of its proper divisors (60714577).

629489663 is a wasteful number, since it uses less digits than its factorization.

629489663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290697.

The product of its digits is 3359232, while the sum is 53.

The square root of 629489663 is about 25089.6325800120. The cubic root of 629489663 is about 857.0303482075.

The spelling of 629489663 in words is "six hundred twenty-nine million, four hundred eighty-nine thousand, six hundred sixty-three".