2143071263 has 4 divisors (see below), whose sum is σ = 2146129128. Its totient is φ = 2140013400.

The previous prime is 2143071241. The next prime is 2143071277. The reversal of 2143071263 is 3621703412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143071263 - 2¹² = 2143067167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143071223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527881 + ... + 1529282.

It is an arithmetic number, because the mean of its divisors is an integer number (536532282).

Almost surely, 2^2143071263 is an apocalyptic number.

2143071263 is a deficient number, since it is larger than the sum of its proper divisors (3057865).

2143071263 is an equidigital number, since it uses as much as digits as its factorization.

2143071263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057864.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2143071263 is about 46293.3176927297. The cubic root of 2143071263 is about 1289.2749291539.

Adding to 2143071263 its reverse (3621703412), we get a palindrome (5764774675).

The spelling of 2143071263 in words is "two billion, one hundred forty-three million, seventy-one thousand, two hundred sixty-three".