2807218449 has 24 divisors (see below), whose sum is σ = 4906736640. Its totient is φ = 1509763968.

The previous prime is 2807218429. The next prime is 2807218451. The reversal of 2807218449 is 9448127082.

It is not a de Polignac number, because 2807218449 - 2⁵ = 2807218417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2807218429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309489 + ... + 1311630.

It is an arithmetic number, because the mean of its divisors is an integer number (204447360).

Almost surely, 2^2807218449 is an apocalyptic number.

It is an amenable number.

2807218449 is a deficient number, since it is larger than the sum of its proper divisors (2099518191).

2807218449 is a wasteful number, since it uses less digits than its factorization.

2807218449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621149 (or 2621146 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2807218449 is about 52983.1902493612. The cubic root of 2807218449 is about 1410.6699110301.

The spelling of 2807218449 in words is "two billion, eight hundred seven million, two hundred eighteen thousand, four hundred forty-nine".