4042134123209 has 32 divisors (see below), whose sum is σ = 5120210672640. Its totient is φ = 3106086299712.

The previous prime is 4042134123127. The next prime is 4042134123229. The reversal of 4042134123209 is 9023214312404.

It is a cyclic number.

It is not a de Polignac number, because 4042134123209 - 2¹² = 4042134119113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4042134123229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4089707 + ... + 4980960.

It is an arithmetic number, because the mean of its divisors is an integer number (160006583520).

Almost surely, 2^{4042134123209} is an apocalyptic number.

It is an amenable number.

4042134123209 is a deficient number, since it is larger than the sum of its proper divisors (1078076549431).

4042134123209 is a wasteful number, since it uses less digits than its factorization.

4042134123209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070829.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 4042134123209 in words is "four trillion, forty-two billion, one hundred thirty-four million, one hundred twenty-three thousand, two hundred nine".