67090842029 has 2 divisors, whose sum is σ = 67090842030. Its totient is φ = 67090842028.

The previous prime is 67090841969. The next prime is 67090842067. The reversal of 67090842029 is 92024809076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61006530025 + 6084312004 = 246995^2 + 78002^2 .

It is a cyclic number.

It is not a de Polignac number, because 67090842029 - 2⁸ = 67090841773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67090841029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33545421014 + 33545421015.

It is an arithmetic number, because the mean of its divisors is an integer number (33545421015).

Almost surely, 2^67090842029 is an apocalyptic number.

It is an amenable number.

67090842029 is a deficient number, since it is larger than the sum of its proper divisors (1).

67090842029 is an equidigital number, since it uses as much as digits as its factorization.

67090842029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 67090842029 in words is "sixty-seven billion, ninety million, eight hundred forty-two thousand, twenty-nine".