67128652751 has 2 divisors, whose sum is σ = 67128652752. Its totient is φ = 67128652750.

The previous prime is 67128652727. The next prime is 67128652813. The reversal of 67128652751 is 15725682176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67128652751 - 2¹⁸ = 67128390607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67128652751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67128652351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33564326375 + 33564326376.

It is an arithmetic number, because the mean of its divisors is an integer number (33564326376).

Almost surely, 2^67128652751 is an apocalyptic number.

67128652751 is a deficient number, since it is larger than the sum of its proper divisors (1).

67128652751 is an equidigital number, since it uses as much as digits as its factorization.

67128652751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 50.

The spelling of 67128652751 in words is "sixty-seven billion, one hundred twenty-eight million, six hundred fifty-two thousand, seven hundred fifty-one".