2871138833 has 2 divisors, whose sum is σ = 2871138834. Its totient is φ = 2871138832.

The previous prime is 2871138827. The next prime is 2871138871. The reversal of 2871138833 is 3388311782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1807270144 + 1063868689 = 42512^2 + 32617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871138833 - 2⁸ = 2871138577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2871138433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435569416 + 1435569417.

It is an arithmetic number, because the mean of its divisors is an integer number (1435569417).

Almost surely, 2^2871138833 is an apocalyptic number.

It is an amenable number.

2871138833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871138833 is an equidigital number, since it uses as much as digits as its factorization.

2871138833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 2871138833 is about 53583.0088087632. The cubic root of 2871138833 is about 1421.2966455937.

The spelling of 2871138833 in words is "two billion, eight hundred seventy-one million, one hundred thirty-eight thousand, eight hundred thirty-three".