68463714185 has 12 divisors (see below), whose sum is σ = 87273470028. Its totient is φ = 51549148416.

The previous prime is 68463714181. The next prime is 68463714223. The reversal of 68463714185 is 58141736486.

It can be written as a sum of positive squares in 6 ways, for example, as 13940997184 + 54522717001 = 118072^2 + 233501^2 .

It is not a de Polignac number, because 68463714185 - 2² = 68463714181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68463714181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23688422 + ... + 23691311.

It is an arithmetic number, because the mean of its divisors is an integer number (7272789169).

Almost surely, 2^68463714185 is an apocalyptic number.

It is an amenable number.

68463714185 is a deficient number, since it is larger than the sum of its proper divisors (18809755843).

68463714185 is a wasteful number, since it uses less digits than its factorization.

68463714185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47379772 (or 47379755 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 68463714185 in words is "sixty-eight billion, four hundred sixty-three million, seven hundred fourteen thousand, one hundred eighty-five".