60643534667 has 2 divisors, whose sum is σ = 60643534668. Its totient is φ = 60643534666.

The previous prime is 60643534649. The next prime is 60643534681. The reversal of 60643534667 is 76643534606.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60643534667 - 2⁶ = 60643534603 is a prime.

It is not a weakly prime, because it can be changed into another prime (60643534697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30321767333 + 30321767334.

It is an arithmetic number, because the mean of its divisors is an integer number (30321767334).

Almost surely, 2^60643534667 is an apocalyptic number.

60643534667 is a deficient number, since it is larger than the sum of its proper divisors (1).

60643534667 is an equidigital number, since it uses as much as digits as its factorization.

60643534667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 50.

The spelling of 60643534667 in words is "sixty billion, six hundred forty-three million, five hundred thirty-four thousand, six hundred sixty-seven".