67542093233 has 2 divisors, whose sum is σ = 67542093234. Its totient is φ = 67542093232.

The previous prime is 67542093217. The next prime is 67542093239. The reversal of 67542093233 is 33239024576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51598485409 + 15943607824 = 227153^2 + 126268^2 .

It is a cyclic number.

It is not a de Polignac number, because 67542093233 - 2⁴ = 67542093217 is a prime.

It is not a weakly prime, because it can be changed into another prime (67542093239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33771046616 + 33771046617.

It is an arithmetic number, because the mean of its divisors is an integer number (33771046617).

Almost surely, 2^67542093233 is an apocalyptic number.

It is an amenable number.

67542093233 is a deficient number, since it is larger than the sum of its proper divisors (1).

67542093233 is an equidigital number, since it uses as much as digits as its factorization.

67542093233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 67542093233 in words is "sixty-seven billion, five hundred forty-two million, ninety-three thousand, two hundred thirty-three".