2871727752449 has 2 divisors, whose sum is σ = 2871727752450. Its totient is φ = 2871727752448.

The previous prime is 2871727752391. The next prime is 2871727752473. The reversal of 2871727752449 is 9442577271782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2573249098225 + 298478654224 = 1604135^2 + 546332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871727752449 - 2²⁰ = 2871726703873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2871727712449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435863876224 + 1435863876225.

It is an arithmetic number, because the mean of its divisors is an integer number (1435863876225).

Almost surely, 2^{2871727752449} is an apocalyptic number.

It is an amenable number.

2871727752449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871727752449 is an equidigital number, since it uses as much as digits as its factorization.

2871727752449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110638080, while the sum is 65.

The spelling of 2871727752449 in words is "two trillion, eight hundred seventy-one billion, seven hundred twenty-seven million, seven hundred fifty-two thousand, four hundred forty-nine".