67233567361 has 2 divisors, whose sum is σ = 67233567362. Its totient is φ = 67233567360.

The previous prime is 67233567353. The next prime is 67233567389. The reversal of 67233567361 is 16376533276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61313188225 + 5920379136 = 247615^2 + 76944^2 .

It is a cyclic number.

It is not a de Polignac number, because 67233567361 - 2³ = 67233567353 is a prime.

It is a super-2 number, since 2×67233567361² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67233564361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33616783680 + 33616783681.

It is an arithmetic number, because the mean of its divisors is an integer number (33616783681).

Almost surely, 2^67233567361 is an apocalyptic number.

It is an amenable number.

67233567361 is a deficient number, since it is larger than the sum of its proper divisors (1).

67233567361 is an equidigital number, since it uses as much as digits as its factorization.

67233567361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 49.

The spelling of 67233567361 in words is "sixty-seven billion, two hundred thirty-three million, five hundred sixty-seven thousand, three hundred sixty-one".