42146412113 has 4 divisors (see below), whose sum is σ = 45388443828. Its totient is φ = 38904380400.

The previous prime is 42146412043. The next prime is 42146412157. The reversal of 42146412113 is 31121464124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10993103104 + 31153309009 = 104848^2 + 176503^2 .

It is a cyclic number.

It is not a de Polignac number, because 42146412113 - 2²⁰ = 42145363537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42142412113) 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, 1621015838 + ... + 1621015863.

It is an arithmetic number, because the mean of its divisors is an integer number (11347110957).

Almost surely, 2^42146412113 is an apocalyptic number.

It is an amenable number.

42146412113 is a deficient number, since it is larger than the sum of its proper divisors (3242031715).

42146412113 is a wasteful number, since it uses less digits than its factorization.

42146412113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242031714.

The product of its digits is 4608, while the sum is 29.

Adding to 42146412113 its reverse (31121464124), we get a palindrome (73267876237).

The spelling of 42146412113 in words is "forty-two billion, one hundred forty-six million, four hundred twelve thousand, one hundred thirteen".