2807668249 has 2 divisors, whose sum is σ = 2807668250. Its totient is φ = 2807668248.

The previous prime is 2807668153. The next prime is 2807668267. The reversal of 2807668249 is 9428667082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805609024 + 2059225 = 52968^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2807668249 - 2¹⁷ = 2807537177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2807668196 and 2807668205.

It is not a weakly prime, because it can be changed into another prime (2807663249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403834124 + 1403834125.

It is an arithmetic number, because the mean of its divisors is an integer number (1403834125).

Almost surely, 2^2807668249 is an apocalyptic number.

It is an amenable number.

2807668249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2807668249 is an equidigital number, since it uses as much as digits as its factorization.

2807668249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 2807668249 is about 52987.4348218519. The cubic root of 2807668249 is about 1410.7452507837.

The spelling of 2807668249 in words is "two billion, eight hundred seven million, six hundred sixty-eight thousand, two hundred forty-nine".