42343104269 has 2 divisors, whose sum is σ = 42343104270. Its totient is φ = 42343104268.

The previous prime is 42343104173. The next prime is 42343104283. The reversal of 42343104269 is 96240134324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37767258244 + 4575846025 = 194338^2 + 67645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42343104269 is a prime.

It is a super-2 number, since 2×42343104269² (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 (42343103269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171552134 + 21171552135.

It is an arithmetic number, because the mean of its divisors is an integer number (21171552135).

Almost surely, 2^42343104269 is an apocalyptic number.

It is an amenable number.

42343104269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343104269 is an equidigital number, since it uses as much as digits as its factorization.

42343104269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 42343104269 in words is "forty-two billion, three hundred forty-three million, one hundred four thousand, two hundred sixty-nine".