129293764841 has 8 divisors (see below), whose sum is σ = 132198773760. Its totient is φ = 126405996912.

The previous prime is 129293764813. The next prime is 129293764883. The reversal of 129293764841 is 148467392921.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129293764841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129293764441) 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, 4295081 + ... + 4325078.

It is an arithmetic number, because the mean of its divisors is an integer number (16524846720).

Almost surely, 2^129293764841 is an apocalyptic number.

It is an amenable number.

129293764841 is a deficient number, since it is larger than the sum of its proper divisors (2905008919).

129293764841 is an equidigital number, since it uses as much as digits as its factorization.

129293764841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620495.

The product of its digits is 5225472, while the sum is 56.

The spelling of 129293764841 in words is "one hundred twenty-nine billion, two hundred ninety-three million, seven hundred sixty-four thousand, eight hundred forty-one".