629243458 has 8 divisors (see below), whose sum is σ = 944054928. Its totient is φ = 314558484.

The previous prime is 629243371. The next prime is 629243509. The reversal of 629243458 is 854342926.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18016 + ... + 39787.

It is an arithmetic number, because the mean of its divisors is an integer number (118006866).

Almost surely, 2^629243458 is an apocalyptic number.

629243458 is a deficient number, since it is larger than the sum of its proper divisors (314811470).

629243458 is a wasteful number, since it uses less digits than its factorization.

629243458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63248.

The product of its digits is 414720, while the sum is 43.

The square root of 629243458 is about 25084.7255914830. The cubic root of 629243458 is about 856.9186001866.

The spelling of 629243458 in words is "six hundred twenty-nine million, two hundred forty-three thousand, four hundred fifty-eight".