42043434113 has 2 divisors, whose sum is σ = 42043434114. Its totient is φ = 42043434112.

The previous prime is 42043434107. The next prime is 42043434119. The reversal of 42043434113 is 31143434024.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (42043434107) and next prime (42043434119).

It can be written as a sum of positive squares in only one way, i.e., 41163540544 + 879893569 = 202888^2 + 29663^2 .

It is a cyclic number.

It is not a de Polignac number, because 42043434113 - 2¹⁸ = 42043171969 is a prime.

It is not a weakly prime, because it can be changed into another prime (42043434119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021717056 + 21021717057.

It is an arithmetic number, because the mean of its divisors is an integer number (21021717057).

Almost surely, 2^42043434113 is an apocalyptic number.

It is an amenable number.

42043434113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42043434113 is an equidigital number, since it uses as much as digits as its factorization.

42043434113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42043434113 its reverse (31143434024), we get a palindrome (73186868137).

The spelling of 42043434113 in words is "forty-two billion, forty-three million, four hundred thirty-four thousand, one hundred thirteen".