68753959946 has 16 divisors (see below), whose sum is σ = 117923118144. Its totient is φ = 29451186144.

The previous prime is 68753959927. The next prime is 68753959951. The reversal of 68753959946 is 64995935786.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68753959946.

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, 1204160 + ... + 1259963.

It is an arithmetic number, because the mean of its divisors is an integer number (7370194884).

Almost surely, 2^68753959946 is an apocalyptic number.

68753959946 is a deficient number, since it is larger than the sum of its proper divisors (49169158198).

68753959946 is a wasteful number, since it uses less digits than its factorization.

68753959946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466125.

The product of its digits is 440899200, while the sum is 71.

The spelling of 68753959946 in words is "sixty-eight billion, seven hundred fifty-three million, nine hundred fifty-nine thousand, nine hundred forty-six".