629458671 has 4 divisors (see below), whose sum is σ = 839278232. Its totient is φ = 419639112.

The previous prime is 629458667. The next prime is 629458673. The reversal of 629458671 is 176854926.

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

It is not a de Polignac number, because 629458671 - 2² = 629458667 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 629458671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629458673) 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, 104909776 + ... + 104909781.

It is an arithmetic number, because the mean of its divisors is an integer number (209819558).

Almost surely, 2^629458671 is an apocalyptic number.

629458671 is a deficient number, since it is larger than the sum of its proper divisors (209819561).

629458671 is a wasteful number, since it uses less digits than its factorization.

629458671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209819560.

The product of its digits is 725760, while the sum is 48.

The square root of 629458671 is about 25089.0149467850. The cubic root of 629458671 is about 857.0162830994.

The spelling of 629458671 in words is "six hundred twenty-nine million, four hundred fifty-eight thousand, six hundred seventy-one".