68013634234 has 16 divisors (see below), whose sum is σ = 125563632768. Its totient is φ = 26906492592.

The previous prime is 68013634211. The next prime is 68013634253. The reversal of 68013634234 is 43243631086.

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, 186850462 + ... + 186850825.

It is an arithmetic number, because the mean of its divisors is an integer number (7847727048).

Almost surely, 2^68013634234 is an apocalyptic number.

68013634234 is a deficient number, since it is larger than the sum of its proper divisors (57549998534).

68013634234 is a wasteful number, since it uses less digits than its factorization.

68013634234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373701309.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 68013634234 in words is "sixty-eight billion, thirteen million, six hundred thirty-four thousand, two hundred thirty-four".