42043213129 has 8 divisors (see below), whose sum is σ = 44647662240. Its totient is φ = 39477928896.

The previous prime is 42043213099. The next prime is 42043213187. The reversal of 42043213129 is 92131234024.

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 42043213129 - 2¹¹ = 42043211081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42043213129.

It is not an unprimeable number, because it can be changed into a prime (42040213129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9789007 + ... + 9793300.

It is an arithmetic number, because the mean of its divisors is an integer number (5580957780).

Almost surely, 2^42043213129 is an apocalyptic number.

It is an amenable number.

42043213129 is a deficient number, since it is larger than the sum of its proper divisors (2604449111).

42043213129 is a wasteful number, since it uses less digits than its factorization.

42043213129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19582439.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 42043213129 in words is "forty-two billion, forty-three million, two hundred thirteen thousand, one hundred twenty-nine".