2143879267 has 2 divisors, whose sum is σ = 2143879268. Its totient is φ = 2143879266.

The previous prime is 2143879249. The next prime is 2143879273. The reversal of 2143879267 is 7629783412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143879267 - 2⁷ = 2143879139 is a prime.

It is a super-2 number, since 2×2143879267² = 9192436622944914578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143879267.

It is not a weakly prime, because it can be changed into another prime (2143879277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071939633 + 1071939634.

It is an arithmetic number, because the mean of its divisors is an integer number (1071939634).

Almost surely, 2^2143879267 is an apocalyptic number.

2143879267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143879267 is an equidigital number, since it uses as much as digits as its factorization.

2143879267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 2143879267 is about 46302.0438749738. The cubic root of 2143879267 is about 1289.4369409393.

The spelling of 2143879267 in words is "two billion, one hundred forty-three million, eight hundred seventy-nine thousand, two hundred sixty-seven".