42143343010969 has 2 divisors, whose sum is σ = 42143343010970. Its totient is φ = 42143343010968.

The previous prime is 42143343010949. The next prime is 42143343011047. The reversal of 42143343010969 is 96901034334124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38082968899600 + 4060374111369 = 6171140^2 + 2015037^2 .

It is a cyclic number.

It is not a de Polignac number, because 42143343010969 - 2⁷ = 42143343010841 is a prime.

It is a super-2 number, since 2×42143343010969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42143343010949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071671505484 + 21071671505485.

It is an arithmetic number, because the mean of its divisors is an integer number (21071671505485).

Almost surely, 2^{42143343010969} is an apocalyptic number.

It is an amenable number.

42143343010969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143343010969 is an equidigital number, since it uses as much as digits as its factorization.

42143343010969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 42143343010969 in words is "forty-two trillion, one hundred forty-three billion, three hundred forty-three million, ten thousand, nine hundred sixty-nine".