634042546 has 4 divisors (see below), whose sum is σ = 951063822. Its totient is φ = 317021272.

The previous prime is 634042529. The next prime is 634042571. The reversal of 634042546 is 645240436.

634042546 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.

It can be written as a sum of positive squares in only one way, i.e., 405579321 + 228463225 = 20139^2 + 15115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158510635 + ... + 158510638.

Almost surely, 2^634042546 is an apocalyptic number.

634042546 is a deficient number, since it is larger than the sum of its proper divisors (317021276).

634042546 is a wasteful number, since it uses less digits than its factorization.

634042546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317021275.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 634042546 is about 25180.2014686142. The cubic root of 634042546 is about 859.0915890150.

The spelling of 634042546 in words is "six hundred thirty-four million, forty-two thousand, five hundred forty-six".