67088612869 has 2 divisors, whose sum is σ = 67088612870. Its totient is φ = 67088612868.

The previous prime is 67088612863. The next prime is 67088612873. The reversal of 67088612869 is 96821688076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53791524900 + 13297087969 = 231930^2 + 115313^2 .

It is a cyclic number.

It is not a de Polignac number, because 67088612869 - 2⁷ = 67088612741 is a prime.

It is a super-2 number, since 2×67088612869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67088612863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33544306434 + 33544306435.

It is an arithmetic number, because the mean of its divisors is an integer number (33544306435).

Almost surely, 2^67088612869 is an apocalyptic number.

It is an amenable number.

67088612869 is a deficient number, since it is larger than the sum of its proper divisors (1).

67088612869 is an equidigital number, since it uses as much as digits as its factorization.

67088612869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 67088612869 in words is "sixty-seven billion, eighty-eight million, six hundred twelve thousand, eight hundred sixty-nine".