68738294388 has 12 divisors (see below), whose sum is σ = 160389353600. Its totient is φ = 22912764792.

The previous prime is 68738294371. The next prime is 68738294399. The reversal of 68738294388 is 88349283786.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864095588 + ... + 2864095611.

Almost surely, 2^68738294388 is an apocalyptic number.

It is an amenable number.

68738294388 is an abundant number, since it is smaller than the sum of its proper divisors (91651059212).

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

68738294388 is a wasteful number, since it uses less digits than its factorization.

68738294388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728191206 (or 5728191204 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 66.

The spelling of 68738294388 in words is "sixty-eight billion, seven hundred thirty-eight million, two hundred ninety-four thousand, three hundred eighty-eight".