42112043413 has 4 divisors (see below), whose sum is σ = 45940411008. Its totient is φ = 38283675820.

The previous prime is 42112043371. The next prime is 42112043419. The reversal of 42112043413 is 31434021124.

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 a de Polignac number, because none of the positive numbers 2^k-42112043413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112043419) 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 3 ways as a sum of consecutive naturals, for example, 1914183781 + ... + 1914183802.

It is an arithmetic number, because the mean of its divisors is an integer number (11485102752).

Almost surely, 2^42112043413 is an apocalyptic number.

It is an amenable number.

42112043413 is a deficient number, since it is larger than the sum of its proper divisors (3828367595).

42112043413 is a wasteful number, since it uses less digits than its factorization.

42112043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828367594.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42112043413 its reverse (31434021124), we get a palindrome (73546064537).

The spelling of 42112043413 in words is "forty-two billion, one hundred twelve million, forty-three thousand, four hundred thirteen".