129363946227 has 24 divisors (see below), whose sum is σ = 192346645920. Its totient is φ = 83720511360.

The previous prime is 129363946219. The next prime is 129363946237. The reversal of 129363946227 is 722649363921.

129363946227 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 6 + 3 + 9 + 4 + 622 + 7 = 666.

It is not a de Polignac number, because 129363946227 - 2³ = 129363946219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129363946237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296274 + ... + 588647.

It is an arithmetic number, because the mean of its divisors is an integer number (8014443580).

Almost surely, 2^129363946227 is an apocalyptic number.

129363946227 is a deficient number, since it is larger than the sum of its proper divisors (62982699693).

129363946227 is a wasteful number, since it uses less digits than its factorization.

129363946227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885403 (or 885400 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 129363946227 in words is "one hundred twenty-nine billion, three hundred sixty-three million, nine hundred forty-six thousand, two hundred twenty-seven".