634013029 has 8 divisors (see below), whose sum is σ = 687367800. Its totient is φ = 581313216.

The previous prime is 634013021. The next prime is 634013087. The reversal of 634013029 is 920310436.

It can be written as a sum of positive squares in 4 ways, for example, as 6260004 + 627753025 = 2502^2 + 25055^2 .

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 634013029 - 2³ = 634013021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634012988 and 634013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634013021) 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, 161722 + ... + 165595.

It is an arithmetic number, because the mean of its divisors is an integer number (85920975).

Almost surely, 2^634013029 is an apocalyptic number.

It is an amenable number.

634013029 is a deficient number, since it is larger than the sum of its proper divisors (53354771).

634013029 is a wasteful number, since it uses less digits than its factorization.

634013029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327479.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 634013029 is about 25179.6153465457. The cubic root of 634013029 is about 859.0782575227.

It can be divided in two parts, 63401 and 3029, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 634013029 in words is "six hundred thirty-four million, thirteen thousand, twenty-nine".