129587668434973 has 8 divisors (see below), whose sum is σ = 148352492659392. Its totient is φ = 110885919251136.

The previous prime is 129587668434947. The next prime is 129587668434977. The reversal of 129587668434973 is 379434866785921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129587668434973 - 2⁹ = 129587668434461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129587668434977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15768755740 + ... + 15768763957.

It is an arithmetic number, because the mean of its divisors is an integer number (18544061582424).

Almost surely, 2^{129587668434973} is an apocalyptic number.

It is an amenable number.

129587668434973 is a deficient number, since it is larger than the sum of its proper divisors (18764824224419).

129587668434973 is an equidigital number, since it uses as much as digits as its factorization.

129587668434973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31537520291.

The product of its digits is 13168189440, while the sum is 82.

The spelling of 129587668434973 in words is "one hundred twenty-nine trillion, five hundred eighty-seven billion, six hundred sixty-eight million, four hundred thirty-four thousand, nine hundred seventy-three".