2871823643683 has 2 divisors, whose sum is σ = 2871823643684. Its totient is φ = 2871823643682.

The previous prime is 2871823643617. The next prime is 2871823643701. The reversal of 2871823643683 is 3863463281782.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2871823643683 - 2³⁷ = 2734384690211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2871823643383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435911821841 + 1435911821842.

It is an arithmetic number, because the mean of its divisors is an integer number (1435911821842).

Almost surely, 2^{2871823643683} is an apocalyptic number.

2871823643683 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871823643683 is an equidigital number, since it uses as much as digits as its factorization.

2871823643683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 61.

The spelling of 2871823643683 in words is "two trillion, eight hundred seventy-one billion, eight hundred twenty-three million, six hundred forty-three thousand, six hundred eighty-three".