2782238143 has 2 divisors, whose sum is σ = 2782238144. Its totient is φ = 2782238142.

The previous prime is 2782238113. The next prime is 2782238177. The reversal of 2782238143 is 3418322872.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2782238143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2782238096 and 2782238105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2782238113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391119071 + 1391119072.

It is an arithmetic number, because the mean of its divisors is an integer number (1391119072).

Almost surely, 2^2782238143 is an apocalyptic number.

2782238143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782238143 is an equidigital number, since it uses as much as digits as its factorization.

2782238143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 2782238143 is about 52746.9254364650. The cubic root of 2782238143 is about 1406.4731100213.

The spelling of 2782238143 in words is "two billion, seven hundred eighty-two million, two hundred thirty-eight thousand, one hundred forty-three".