629489071 has 6 divisors (see below), whose sum is σ = 631640760. Its totient is φ = 627344676.

The previous prime is 629489027. The next prime is 629489123. The reversal of 629489071 is 170984926.

It is not a de Polignac number, because 629489071 - 2¹⁷ = 629357999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629487071) 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 5 ways as a sum of consecutive naturals, for example, 90910 + ... + 97588.

It is an arithmetic number, because the mean of its divisors is an integer number (105273460).

Almost surely, 2^629489071 is an apocalyptic number.

629489071 is a deficient number, since it is larger than the sum of its proper divisors (2151689).

629489071 is an frugal number, since it uses more digits than its factorization.

629489071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 629489071 is about 25089.6207823076. The cubic root of 629489071 is about 857.0300795443.

The spelling of 629489071 in words is "six hundred twenty-nine million, four hundred eighty-nine thousand, seventy-one".