424340069 has 2 divisors, whose sum is σ = 424340070. Its totient is φ = 424340068.

The previous prime is 424340003. The next prime is 424340083. The reversal of 424340069 is 960043424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270207844 + 154132225 = 16438^2 + 12415^2 .

It is a cyclic number.

It is not a de Polignac number, because 424340069 - 2⁸ = 424339813 is a prime.

It is a super-2 number, since 2×424340069² = 360128988317849522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424340099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212170034 + 212170035.

It is an arithmetic number, because the mean of its divisors is an integer number (212170035).

Almost surely, 2^424340069 is an apocalyptic number.

It is an amenable number.

424340069 is a deficient number, since it is larger than the sum of its proper divisors (1).

424340069 is an equidigital number, since it uses as much as digits as its factorization.

424340069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 424340069 is about 20599.5162321837. The cubic root of 424340069 is about 751.4579456525.

The spelling of 424340069 in words is "four hundred twenty-four million, three hundred forty thousand, sixty-nine".