42344023069 has 2 divisors, whose sum is σ = 42344023070. Its totient is φ = 42344023068.

The previous prime is 42344023039. The next prime is 42344023159. The reversal of 42344023069 is 96032044324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23571460900 + 18772562169 = 153530^2 + 137013^2 .

It is a cyclic number.

It is not a de Polignac number, because 42344023069 - 2¹¹ = 42344021021 is a prime.

It is a super-2 number, since 2×42344023069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42344023039) 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, 21172011534 + 21172011535.

It is an arithmetic number, because the mean of its divisors is an integer number (21172011535).

Almost surely, 2^42344023069 is an apocalyptic number.

It is an amenable number.

42344023069 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344023069 is an equidigital number, since it uses as much as digits as its factorization.

42344023069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 42344023069 in words is "forty-two billion, three hundred forty-four million, twenty-three thousand, sixty-nine".