634744617334 has 8 divisors (see below), whose sum is σ = 993513314160. Its totient is φ = 303573512616.

The previous prime is 634744617323. The next prime is 634744617337. The reversal of 634744617334 is 433716447436.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634744617337) 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, 6899397969 + ... + 6899398060.

It is an arithmetic number, because the mean of its divisors is an integer number (124189164270).

Almost surely, 2^634744617334 is an apocalyptic number.

634744617334 is a deficient number, since it is larger than the sum of its proper divisors (358768696826).

634744617334 is a wasteful number, since it uses less digits than its factorization.

634744617334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798796054.

The product of its digits is 12192768, while the sum is 52.

The spelling of 634744617334 in words is "six hundred thirty-four billion, seven hundred forty-four million, six hundred seventeen thousand, three hundred thirty-four".