629618149 has 8 divisors (see below), whose sum is σ = 641744640. Its totient is φ = 617550000.

The previous prime is 629618147. The next prime is 629618167. The reversal of 629618149 is 941816926.

It is a happy number.

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 629618149 - 2¹ = 629618147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629618099 and 629618108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629618147) 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, 7524 + ... + 36274.

It is an arithmetic number, because the mean of its divisors is an integer number (80218080).

Almost surely, 2^629618149 is an apocalyptic number.

It is an amenable number.

629618149 is a deficient number, since it is larger than the sum of its proper divisors (12126491).

629618149 is a wasteful number, since it uses less digits than its factorization.

629618149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29171.

The product of its digits is 186624, while the sum is 46.

The square root of 629618149 is about 25092.1929890554. The cubic root of 629618149 is about 857.0886541214.

The spelling of 629618149 in words is "six hundred twenty-nine million, six hundred eighteen thousand, one hundred forty-nine".