129411742343401 has 4 divisors (see below), whose sum is σ = 147899134106752. Its totient is φ = 110924350580052.

The previous prime is 129411742343399. The next prime is 129411742343449. The reversal of 129411742343401 is 104343247114921.

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 a cyclic number.

It is not a de Polignac number, because 129411742343401 - 2¹ = 129411742343399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129411742343461) 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, 9243695881665 + ... + 9243695881678.

It is an arithmetic number, because the mean of its divisors is an integer number (36974783526688).

Almost surely, 2^{129411742343401} is an apocalyptic number.

It is an amenable number.

129411742343401 is a deficient number, since it is larger than the sum of its proper divisors (18487391763351).

129411742343401 is an equidigital number, since it uses as much as digits as its factorization.

129411742343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18487391763350.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 129411742343401 in words is "one hundred twenty-nine trillion, four hundred eleven billion, seven hundred forty-two million, three hundred forty-three thousand, four hundred one".