2143262965 has 16 divisors (see below), whose sum is σ = 2679713280. Its totient is φ = 1643780160.

The previous prime is 2143262963. The next prime is 2143262993. The reversal of 2143262965 is 5692623412.

It is not a de Polignac number, because 2143262965 - 2¹ = 2143262963 is a prime.

It is a super-2 number, since 2×2143262965² = 9187152274281182450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143262963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48030 + ... + 81199.

It is an arithmetic number, because the mean of its divisors is an integer number (167482080).

Almost surely, 2^2143262965 is an apocalyptic number.

It is an amenable number.

2143262965 is a deficient number, since it is larger than the sum of its proper divisors (536450315).

2143262965 is a wasteful number, since it uses less digits than its factorization.

2143262965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129372.

The product of its digits is 155520, while the sum is 40.

The square root of 2143262965 is about 46295.3881612413. The cubic root of 2143262965 is about 1289.3133707459.

The spelling of 2143262965 in words is "two billion, one hundred forty-three million, two hundred sixty-two thousand, nine hundred sixty-five".