2293843649 has 2 divisors, whose sum is σ = 2293843650. Its totient is φ = 2293843648.

The previous prime is 2293843631. The next prime is 2293843663. The reversal of 2293843649 is 9463483922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2037619600 + 256224049 = 45140^2 + 16007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2293843649 - 2²⁴ = 2277066433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2293843597 and 2293843606.

It is not a weakly prime, because it can be changed into another prime (2293843679) 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, 1146921824 + 1146921825.

It is an arithmetic number, because the mean of its divisors is an integer number (1146921825).

Almost surely, 2^2293843649 is an apocalyptic number.

It is an amenable number.

2293843649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293843649 is an equidigital number, since it uses as much as digits as its factorization.

2293843649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 50.

The square root of 2293843649 is about 47894.0878292927. The cubic root of 2293843649 is about 1318.8273272447.

The spelling of 2293843649 in words is "two billion, two hundred ninety-three million, eight hundred forty-three thousand, six hundred forty-nine".