2143071262 has 4 divisors (see below), whose sum is σ = 3214606896. Its totient is φ = 1071535630.

The previous prime is 2143071241. The next prime is 2143071277. The reversal of 2143071262 is 2621703412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2143071262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535767814 + ... + 535767817.

It is an arithmetic number, because the mean of its divisors is an integer number (803651724).

Almost surely, 2^2143071262 is an apocalyptic number.

2143071262 is a deficient number, since it is larger than the sum of its proper divisors (1071535634).

2143071262 is a wasteful number, since it uses less digits than its factorization.

2143071262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071535633.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2143071262 is about 46293.3176819290. The cubic root of 2143071262 is about 1289.2749289533.

Adding to 2143071262 its reverse (2621703412), we get a palindrome (4764774674).

The spelling of 2143071262 in words is "two billion, one hundred forty-three million, seventy-one thousand, two hundred sixty-two".