42242123219 has 4 divisors (see below), whose sum is σ = 44078737296. Its totient is φ = 40405509144.

The previous prime is 42242123207. The next prime is 42242123227. The reversal of 42242123219 is 91232124224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42242123219 - 2¹² = 42242119123 is a prime.

It is a super-2 number, since 2×42242123219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42242123239) 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, 918307004 + ... + 918307049.

It is an arithmetic number, because the mean of its divisors is an integer number (11019684324).

Almost surely, 2^42242123219 is an apocalyptic number.

42242123219 is a deficient number, since it is larger than the sum of its proper divisors (1836614077).

42242123219 is a wasteful number, since it uses less digits than its factorization.

42242123219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836614076.

The product of its digits is 13824, while the sum is 32.

The spelling of 42242123219 in words is "forty-two billion, two hundred forty-two million, one hundred twenty-three thousand, two hundred nineteen".