634734042546 has 8 divisors (see below), whose sum is σ = 1269468085104. Its totient is φ = 211578014180.

The previous prime is 634734042517. The next prime is 634734042581. The reversal of 634734042546 is 645240437436.

634734042546 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

634734042546 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 634734042495 and 634734042504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52894503540 + ... + 52894503551.

It is an arithmetic number, because the mean of its divisors is an integer number (158683510638).

Almost surely, 2^634734042546 is an apocalyptic number.

634734042546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634734042546 is a wasteful number, since it uses less digits than its factorization.

634734042546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105789007096.

The product of its (nonzero) digits is 5806080, while the sum is 48.

The spelling of 634734042546 in words is "six hundred thirty-four billion, seven hundred thirty-four million, forty-two thousand, five hundred forty-six".