2243695877 has 2 divisors, whose sum is σ = 2243695878. Its totient is φ = 2243695876.

The previous prime is 2243695859. The next prime is 2243695879. The reversal of 2243695877 is 7785963422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1866326401 + 377369476 = 43201^2 + 19426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243695877 - 2⁶ = 2243695813 is a prime.

Together with 2243695879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243695879) 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 as a sum of consecutive naturals, namely, 1121847938 + 1121847939.

It is an arithmetic number, because the mean of its divisors is an integer number (1121847939).

Almost surely, 2^2243695877 is an apocalyptic number.

It is an amenable number.

2243695877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243695877 is an equidigital number, since it uses as much as digits as its factorization.

2243695877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The square root of 2243695877 is about 47367.6669997584. Note that the first 3 decimals coincide. The cubic root of 2243695877 is about 1309.1457393045.

The spelling of 2243695877 in words is "two billion, two hundred forty-three million, six hundred ninety-five thousand, eight hundred seventy-seven".