634924149 has 4 divisors (see below), whose sum is σ = 846565536. Its totient is φ = 423282764.

The previous prime is 634924139. The next prime is 634924163. The reversal of 634924149 is 941429436.

634924149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634924149 - 2⁴ = 634924133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634924149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634924139) 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, 105820689 + ... + 105820694.

It is an arithmetic number, because the mean of its divisors is an integer number (211641384).

Almost surely, 2^634924149 is an apocalyptic number.

It is an amenable number.

634924149 is a deficient number, since it is larger than the sum of its proper divisors (211641387).

634924149 is a wasteful number, since it uses less digits than its factorization.

634924149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211641386.

The product of its digits is 186624, while the sum is 42.

The square root of 634924149 is about 25197.7012642027. The cubic root of 634924149 is about 859.4895785855.

The spelling of 634924149 in words is "six hundred thirty-four million, nine hundred twenty-four thousand, one hundred forty-nine".