67683665983 has 4 divisors (see below), whose sum is σ = 67688538408. Its totient is φ = 67678793560.

The previous prime is 67683665977. The next prime is 67683666031. The reversal of 67683665983 is 38956638676.

67683665983 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.

It is a cyclic number.

It is not a de Polignac number, because 67683665983 - 2¹⁷ = 67683534911 is a prime.

It is a super-2 number, since 2×67683665983² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67683665963) 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, 2415316 + ... + 2443177.

It is an arithmetic number, because the mean of its divisors is an integer number (16922134602).

Almost surely, 2^67683665983 is an apocalyptic number.

67683665983 is a deficient number, since it is larger than the sum of its proper divisors (4872425).

67683665983 is a wasteful number, since it uses less digits than its factorization.

67683665983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872424.

The product of its digits is 235146240, while the sum is 67.

The spelling of 67683665983 in words is "sixty-seven billion, six hundred eighty-three million, six hundred sixty-five thousand, nine hundred eighty-three".