42344422969 has 2 divisors, whose sum is σ = 42344422970. Its totient is φ = 42344422968.

The previous prime is 42344422963. The next prime is 42344423029. The reversal of 42344422969 is 96922444324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22262132025 + 20082290944 = 149205^2 + 141712^2 .

It is a cyclic number.

It is not a de Polignac number, because 42344422969 - 2³ = 42344422961 is a prime.

It is a super-2 number, since 2×42344422969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42344422961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172211484 + 21172211485.

It is an arithmetic number, because the mean of its divisors is an integer number (21172211485).

Almost surely, 2^42344422969 is an apocalyptic number.

It is an amenable number.

42344422969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344422969 is an equidigital number, since it uses as much as digits as its factorization.

42344422969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 49.

The spelling of 42344422969 in words is "forty-two billion, three hundred forty-four million, four hundred twenty-two thousand, nine hundred sixty-nine".