2143000469 has 2 divisors, whose sum is σ = 2143000470. Its totient is φ = 2143000468.

The previous prime is 2143000429. The next prime is 2143000493. The reversal of 2143000469 is 9640003412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1526074225 + 616926244 = 39065^2 + 24838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143000469 is a prime.

It is a super-2 number, since 2×2143000469² = 9184902020268439922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071500234 + 1071500235.

It is an arithmetic number, because the mean of its divisors is an integer number (1071500235).

Almost surely, 2^2143000469 is an apocalyptic number.

It is an amenable number.

2143000469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143000469 is an equidigital number, since it uses as much as digits as its factorization.

2143000469 is an evil number, because the sum of its binary digits is even.

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

The square root of 2143000469 is about 46292.5530620207. The cubic root of 2143000469 is about 1289.2607324049.

The spelling of 2143000469 in words is "two billion, one hundred forty-three million, four hundred sixty-nine", and thus it is an aban number.