42143162813 has 2 divisors, whose sum is σ = 42143162814. Its totient is φ = 42143162812.

The previous prime is 42143162773. The next prime is 42143162977. The reversal of 42143162813 is 31826134124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41821068004 + 322094809 = 204502^2 + 17947^2 .

It is a cyclic number.

It is not a de Polignac number, because 42143162813 - 2⁸ = 42143162557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42143161813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071581406 + 21071581407.

It is an arithmetic number, because the mean of its divisors is an integer number (21071581407).

Almost surely, 2^42143162813 is an apocalyptic number.

It is an amenable number.

42143162813 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143162813 is an equidigital number, since it uses as much as digits as its factorization.

42143162813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

Adding to 42143162813 its reverse (31826134124), we get a palindrome (73969296937).

The spelling of 42143162813 in words is "forty-two billion, one hundred forty-three million, one hundred sixty-two thousand, eight hundred thirteen".