67730985009 has 6 divisors (see below), whose sum is σ = 97833645026. Its totient is φ = 45153990000.

The previous prime is 67730984999. The next prime is 67730985089. The reversal of 67730985009 is 90058903776.

67730985009 is a `hidden beast` number, since 67 + 73 + 0 + 9 + 8 + 500 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62451509409 + 5279475600 = 249903^2 + 72660^2 .

It is not a de Polignac number, because 67730985009 - 2¹⁵ = 67730952241 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 (67730985089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3762832492 + ... + 3762832509.

Almost surely, 2^67730985009 is an apocalyptic number.

It is an amenable number.

67730985009 is a deficient number, since it is larger than the sum of its proper divisors (30102660017).

67730985009 is a wasteful number, since it uses less digits than its factorization.

67730985009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525665007 (or 7525665004 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 67730985009 in words is "sixty-seven billion, seven hundred thirty million, nine hundred eighty-five thousand, nine".