129293339601 has 4 divisors (see below), whose sum is σ = 172391119472. Its totient is φ = 86195559732.

The previous prime is 129293339587. The next prime is 129293339633. The reversal of 129293339601 is 106933392921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 129293339601 - 2¹⁹ = 129292815313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129293339671) 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, 21548889931 + ... + 21548889936.

It is an arithmetic number, because the mean of its divisors is an integer number (43097779868).

Almost surely, 2^129293339601 is an apocalyptic number.

It is an amenable number.

129293339601 is a deficient number, since it is larger than the sum of its proper divisors (43097779871).

129293339601 is an equidigital number, since it uses as much as digits as its factorization.

129293339601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43097779870.

The product of its (nonzero) digits is 472392, while the sum is 48.

The spelling of 129293339601 in words is "one hundred twenty-nine billion, two hundred ninety-three million, three hundred thirty-nine thousand, six hundred one".