42234040969 has 2 divisors, whose sum is σ = 42234040970. Its totient is φ = 42234040968.

The previous prime is 42234040963. The next prime is 42234041009. The reversal of 42234040969 is 96904043224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24952309369 + 17281731600 = 157963^2 + 131460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42234040969 is a prime.

It is a super-2 number, since 2×42234040969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42234040963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117020484 + 21117020485.

It is an arithmetic number, because the mean of its divisors is an integer number (21117020485).

Almost surely, 2^42234040969 is an apocalyptic number.

It is an amenable number.

42234040969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234040969 is an equidigital number, since it uses as much as digits as its factorization.

42234040969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 42234040969 in words is "forty-two billion, two hundred thirty-four million, forty thousand, nine hundred sixty-nine".