129339722163 has 16 divisors (see below), whose sum is σ = 179962465536. Its totient is φ = 82472211360.

The previous prime is 129339722123. The next prime is 129339722173. The reversal of 129339722163 is 361227933921.

It is not a de Polignac number, because 129339722163 - 2²⁹ = 128802851251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129339722123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218448 + ... + 1320338.

It is an arithmetic number, because the mean of its divisors is an integer number (11247654096).

Almost surely, 2^129339722163 is an apocalyptic number.

129339722163 is a deficient number, since it is larger than the sum of its proper divisors (50622743373).

129339722163 is a wasteful number, since it uses less digits than its factorization.

129339722163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120314.

The product of its digits is 734832, while the sum is 48.

The spelling of 129339722163 in words is "one hundred twenty-nine billion, three hundred thirty-nine million, seven hundred twenty-two thousand, one hundred sixty-three".