629361689 has 8 divisors (see below), whose sum is σ = 695982432. Its totient is φ = 564308640.

The previous prime is 629361671. The next prime is 629361701. The reversal of 629361689 is 986163926.

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

It is a cyclic number.

It is not a de Polignac number, because 629361689 - 2⁸ = 629361433 is a prime.

It is a super-2 number, since 2×629361689² = 792192271161865442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (629361289) 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, 391079 + ... + 392684.

It is an arithmetic number, because the mean of its divisors is an integer number (86997804).

Almost surely, 2^629361689 is an apocalyptic number.

It is an amenable number.

629361689 is a deficient number, since it is larger than the sum of its proper divisors (66620743).

629361689 is a wasteful number, since it uses less digits than its factorization.

629361689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783847.

The product of its digits is 839808, while the sum is 50.

The square root of 629361689 is about 25087.0821141080. The cubic root of 629361689 is about 856.9722667481.

The spelling of 629361689 in words is "six hundred twenty-nine million, three hundred sixty-one thousand, six hundred eighty-nine".