68251737044 has 12 divisors (see below), whose sum is σ = 124633606944. Its totient is φ = 32642135064.

The previous prime is 68251736983. The next prime is 68251737089. The reversal of 68251737044 is 44073715286.

It is a self number, because there is not a number n which added to its sum of digits gives 68251737044.

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, 370933262 + ... + 370933445.

It is an arithmetic number, because the mean of its divisors is an integer number (10386133912).

Almost surely, 2^68251737044 is an apocalyptic number.

It is an amenable number.

68251737044 is a deficient number, since it is larger than the sum of its proper divisors (56381869900).

68251737044 is a wasteful number, since it uses less digits than its factorization.

68251737044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741866734 (or 741866732 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 68251737044 in words is "sixty-eight billion, two hundred fifty-one million, seven hundred thirty-seven thousand, forty-four".