129069346027 has 2 divisors, whose sum is σ = 129069346028. Its totient is φ = 129069346026.

The previous prime is 129069346013. The next prime is 129069346033. The reversal of 129069346027 is 720643960921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129069346027 - 2¹¹ = 129069343979 is a prime.

It is not a weakly prime, because it can be changed into another prime (129069346037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64534673013 + 64534673014.

It is an arithmetic number, because the mean of its divisors is an integer number (64534673014).

Almost surely, 2^129069346027 is an apocalyptic number.

129069346027 is a deficient number, since it is larger than the sum of its proper divisors (1).

129069346027 is an equidigital number, since it uses as much as digits as its factorization.

129069346027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 129069346027 in words is "one hundred twenty-nine billion, sixty-nine million, three hundred forty-six thousand, twenty-seven".