68393745352 has 16 divisors (see below), whose sum is σ = 134987655600. Its totient is φ = 32397037200.

The previous prime is 68393745271. The next prime is 68393745353. The reversal of 68393745352 is 25354739386.

It is a junction number, because it is equal to n+sod(n) for n = 68393745293 and 68393745302.

It is not an unprimeable number, because it can be changed into a prime (68393745353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224979274 + ... + 224979577.

It is an arithmetic number, because the mean of its divisors is an integer number (8436728475).

Almost surely, 2^68393745352 is an apocalyptic number.

It is an amenable number.

68393745352 is a deficient number, since it is larger than the sum of its proper divisors (66593910248).

68393745352 is a wasteful number, since it uses less digits than its factorization.

68393745352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449958876 (or 449958872 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 55.

The spelling of 68393745352 in words is "sixty-eight billion, three hundred ninety-three million, seven hundred forty-five thousand, three hundred fifty-two".