67986163313 has 4 divisors (see below), whose sum is σ = 68101983600. Its totient is φ = 67870343028.

The previous prime is 67986163307. The next prime is 67986163361. The reversal of 67986163313 is 31336168976.

It is a happy number.

67986163313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67986163313 - 2²⁰ = 67985114737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67986163303) 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, 57909263 + ... + 57910436.

It is an arithmetic number, because the mean of its divisors is an integer number (17025495900).

Almost surely, 2^67986163313 is an apocalyptic number.

It is an amenable number.

67986163313 is a deficient number, since it is larger than the sum of its proper divisors (115820287).

67986163313 is a wasteful number, since it uses less digits than its factorization.

67986163313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115820286.

The product of its digits is 2939328, while the sum is 53.

The spelling of 67986163313 in words is "sixty-seven billion, nine hundred eighty-six million, one hundred sixty-three thousand, three hundred thirteen".