129348285863 has 4 divisors (see below), whose sum is σ = 129889492320. Its totient is φ = 128807079408.

The previous prime is 129348285809. The next prime is 129348285893. The reversal of 129348285863 is 368582843921.

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 129348285863 - 2²⁰ = 129347237287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129348285893) 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, 270602870 + ... + 270603347.

It is an arithmetic number, because the mean of its divisors is an integer number (32472373080).

Almost surely, 2^129348285863 is an apocalyptic number.

129348285863 is a deficient number, since it is larger than the sum of its proper divisors (541206457).

129348285863 is an equidigital number, since it uses as much as digits as its factorization.

129348285863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541206456.

The product of its digits is 19906560, while the sum is 59.

The spelling of 129348285863 in words is "one hundred twenty-nine billion, three hundred forty-eight million, two hundred eighty-five thousand, eight hundred sixty-three".