634505104112 has 20 divisors (see below), whose sum is σ = 1341113061336. Its totient is φ = 288411410880.

The previous prime is 634505104069. The next prime is 634505104117. The reversal of 634505104112 is 211401505436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634505104117) 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, 1802571143 + ... + 1802571494.

Almost surely, 2^634505104112 is an apocalyptic number.

It is an amenable number.

634505104112 is an abundant number, since it is smaller than the sum of its proper divisors (706607957224).

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

634505104112 is a wasteful number, since it uses less digits than its factorization.

634505104112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605142656 (or 3605142650 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 634505104112 its reverse (211401505436), we get a palindrome (845906609548).

The spelling of 634505104112 in words is "six hundred thirty-four billion, five hundred five million, one hundred four thousand, one hundred twelve".