2887287449 has 2 divisors, whose sum is σ = 2887287450. Its totient is φ = 2887287448.

The previous prime is 2887287439. The next prime is 2887287457. The reversal of 2887287449 is 9447827882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2332213849 + 555073600 = 48293^2 + 23560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2887287449 - 2⁴ = 2887287433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2887287439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1443643724 + 1443643725.

It is an arithmetic number, because the mean of its divisors is an integer number (1443643725).

Almost surely, 2^2887287449 is an apocalyptic number.

It is an amenable number.

2887287449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887287449 is an equidigital number, since it uses as much as digits as its factorization.

2887287449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14450688, while the sum is 59.

The square root of 2887287449 is about 53733.4853606203. The cubic root of 2887287449 is about 1423.9563424589.

The spelling of 2887287449 in words is "two billion, eight hundred eighty-seven million, two hundred eighty-seven thousand, four hundred forty-nine".