2243545963 has 2 divisors, whose sum is σ = 2243545964. Its totient is φ = 2243545962.

The previous prime is 2243545961. The next prime is 2243545979. The reversal of 2243545963 is 3695453422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243545963 - 2¹ = 2243545961 is a prime.

Together with 2243545961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2243545961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121772981 + 1121772982.

It is an arithmetic number, because the mean of its divisors is an integer number (1121772982).

Almost surely, 2^2243545963 is an apocalyptic number.

2243545963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243545963 is an equidigital number, since it uses as much as digits as its factorization.

2243545963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 43.

The square root of 2243545963 is about 47366.0845225780. The cubic root of 2243545963 is about 1309.1165815136.

The spelling of 2243545963 in words is "two billion, two hundred forty-three million, five hundred forty-five thousand, nine hundred sixty-three".