68634404848 has 40 divisors (see below), whose sum is σ = 134499065120. Its totient is φ = 33925754880.

The previous prime is 68634404789. The next prime is 68634404869. The reversal of 68634404848 is 84840443686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402228 + ... + 1450348.

It is an arithmetic number, because the mean of its divisors is an integer number (3362476628).

Almost surely, 2^68634404848 is an apocalyptic number.

It is an amenable number.

68634404848 is a deficient number, since it is larger than the sum of its proper divisors (65864660272).

68634404848 is a wasteful number, since it uses less digits than its factorization.

68634404848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49145 (or 49139 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 55.

The spelling of 68634404848 in words is "sixty-eight billion, six hundred thirty-four million, four hundred four thousand, eight hundred forty-eight".