2143469 has 2 divisors, whose sum is σ = 2143470. Its totient is φ = 2143468.

The previous prime is 2143459. The next prime is 2143481. The reversal of 2143469 is 9643412.

2143469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 75625 = 1438^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143469 - 2¹² = 2139373 is a prime.

It is a super-2 number, since 2×2143469² = 9188918707922, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2³ + 1 + 4² + 3¹³ + 4⁷ + 6⁴ + 9⁶ .

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071734 + 1071735.

It is an arithmetic number, because the mean of its divisors is an integer number (1071735).

2^2143469 is an apocalyptic number.

It is an amenable number.

2143469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143469 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 2143469 = (1234469)₁₁.

2143469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 2143469 is about 1464.0590835072. The cubic root of 2143469 is about 128.9354683948.

The spelling of 2143469 in words is "two million, one hundred forty-three thousand, four hundred sixty-nine".