634673717366 has 8 divisors (see below), whose sum is σ = 1025242158864. Its totient is φ = 292926331080.

The previous prime is 634673717333. The next prime is 634673717443. The reversal of 634673717366 is 663717376436.

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

It is a congruent number.

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, 12205263770 + ... + 12205263821.

It is an arithmetic number, because the mean of its divisors is an integer number (128155269858).

Almost surely, 2^634673717366 is an apocalyptic number.

634673717366 is a deficient number, since it is larger than the sum of its proper divisors (390568441498).

634673717366 is a wasteful number, since it uses less digits than its factorization.

634673717366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24410527606.

The product of its digits is 48009024, while the sum is 59.

The spelling of 634673717366 in words is "six hundred thirty-four billion, six hundred seventy-three million, seven hundred seventeen thousand, three hundred sixty-six".