67151992769 has 2 divisors, whose sum is σ = 67151992770. Its totient is φ = 67151992768.

The previous prime is 67151992763. The next prime is 67151992813. The reversal of 67151992769 is 96729915176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46991400625 + 20160592144 = 216775^2 + 141988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67151992769 is a prime.

It is a super-2 number, since 2×67151992769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67151992763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33575996384 + 33575996385.

It is an arithmetic number, because the mean of its divisors is an integer number (33575996385).

Almost surely, 2^67151992769 is an apocalyptic number.

It is an amenable number.

67151992769 is a deficient number, since it is larger than the sum of its proper divisors (1).

67151992769 is an equidigital number, since it uses as much as digits as its factorization.

67151992769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 62.

The spelling of 67151992769 in words is "sixty-seven billion, one hundred fifty-one million, nine hundred ninety-two thousand, seven hundred sixty-nine".