68560393137 has 16 divisors (see below), whose sum is σ = 91562545152. Its totient is φ = 45632634320.

The previous prime is 68560393133. The next prime is 68560393141. The reversal of 68560393137 is 73139306586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68560393133) and next prime (68560393141).

It is a cyclic number.

It is not a de Polignac number, because 68560393137 - 2² = 68560393133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68560393137.

It is not an unprimeable number, because it can be changed into a prime (68560393133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8448712 + ... + 8456822.

It is an arithmetic number, because the mean of its divisors is an integer number (5722659072).

Almost surely, 2^68560393137 is an apocalyptic number.

It is an amenable number.

68560393137 is a deficient number, since it is larger than the sum of its proper divisors (23002152015).

68560393137 is a wasteful number, since it uses less digits than its factorization.

68560393137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 68560393137 in words is "sixty-eight billion, five hundred sixty million, three hundred ninety-three thousand, one hundred thirty-seven".