2140532243 has 2 divisors, whose sum is σ = 2140532244. Its totient is φ = 2140532242.

The previous prime is 2140532239. The next prime is 2140532269. The reversal of 2140532243 is 3422350412.

It is an a-pointer prime, because the next prime (2140532269) can be obtained adding 2140532243 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140532243 - 2² = 2140532239 is a prime.

It is a super-2 number, since 2×2140532243² = 9163756566645222098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2140522243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070266121 + 1070266122.

It is an arithmetic number, because the mean of its divisors is an integer number (1070266122).

Almost surely, 2^2140532243 is an apocalyptic number.

2140532243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140532243 is an equidigital number, since it uses as much as digits as its factorization.

2140532243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2140532243 is about 46265.8863851110. The cubic root of 2140532243 is about 1288.7655685142.

Adding to 2140532243 its reverse (3422350412), we get a palindrome (5562882655).

The spelling of 2140532243 in words is "two billion, one hundred forty million, five hundred thirty-two thousand, two hundred forty-three".