424144069 has 2 divisors, whose sum is σ = 424144070. Its totient is φ = 424144068.

The previous prime is 424144003. The next prime is 424144129. The reversal of 424144069 is 960441424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407636100 + 16507969 = 20190^2 + 4063^2 .

It is a cyclic number.

It is not a de Polignac number, because 424144069 - 2¹⁵ = 424111301 is a prime.

It is a super-2 number, since 2×424144069² = 359796382535753522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424144969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212072034 + 212072035.

It is an arithmetic number, because the mean of its divisors is an integer number (212072035).

Almost surely, 2^424144069 is an apocalyptic number.

It is an amenable number.

424144069 is a deficient number, since it is larger than the sum of its proper divisors (1).

424144069 is an equidigital number, since it uses as much as digits as its factorization.

424144069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 424144069 is about 20594.7582894289. The cubic root of 424144069 is about 751.3422299402.

The spelling of 424144069 in words is "four hundred twenty-four million, one hundred forty-four thousand, sixty-nine".