67670573516443 has 6 divisors (see below), whose sum is σ = 70740694054604. Its totient is φ = 64728374667396.

The previous prime is 67670573516353. The next prime is 67670573516471. The reversal of 67670573516443 is 34461537507676.

It is a happy number.

It is not a de Polignac number, because 67670573516443 - 2⁴¹ = 65471550260891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67670373516443) 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, 63960844005 + ... + 63960845062.

Almost surely, 2^{67670573516443} is an apocalyptic number.

67670573516443 is a deficient number, since it is larger than the sum of its proper divisors (3070120538161).

67670573516443 is a wasteful number, since it uses less digits than its factorization.

67670573516443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127921689113 (or 127921689090 counting only the distinct ones).

The product of its (nonzero) digits is 266716800, while the sum is 64.

The spelling of 67670573516443 in words is "sixty-seven trillion, six hundred seventy billion, five hundred seventy-three million, five hundred sixteen thousand, four hundred forty-three".