634063929 has 8 divisors (see below), whose sum is σ = 851501280. Its totient is φ = 419667936.

The previous prime is 634063921. The next prime is 634063993. The reversal of 634063929 is 929360436.

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

It is not a de Polignac number, because 634063929 - 2³ = 634063921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (634063921) 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, 759852 + ... + 760685.

It is an arithmetic number, because the mean of its divisors is an integer number (106437660).

Almost surely, 2^634063929 is an apocalyptic number.

It is an amenable number.

634063929 is a deficient number, since it is larger than the sum of its proper divisors (217437351).

634063929 is a wasteful number, since it uses less digits than its factorization.

634063929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520679.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 634063929 is about 25180.6260644965. The cubic root of 634063929 is about 859.1012464894.

The spelling of 634063929 in words is "six hundred thirty-four million, sixty-three thousand, nine hundred twenty-nine".