129573463163 has 4 divisors (see below), whose sum is σ = 129613225080. Its totient is φ = 129533701248.

The previous prime is 129573463153. The next prime is 129573463169. The reversal of 129573463163 is 361364375921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129573463163 - 2⁶ = 129573463099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129573463169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19876070 + ... + 19882587.

It is an arithmetic number, because the mean of its divisors is an integer number (32403306270).

Almost surely, 2^129573463163 is an apocalyptic number.

129573463163 is a deficient number, since it is larger than the sum of its proper divisors (39761917).

129573463163 is an equidigital number, since it uses as much as digits as its factorization.

129573463163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39761916.

The product of its digits is 2449440, while the sum is 50.

The spelling of 129573463163 in words is "one hundred twenty-nine billion, five hundred seventy-three million, four hundred sixty-three thousand, one hundred sixty-three".