2265169939 has 2 divisors, whose sum is σ = 2265169940. Its totient is φ = 2265169938.

The previous prime is 2265169901. The next prime is 2265169979. The reversal of 2265169939 is 9399615622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2265169939 - 2¹³ = 2265161747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2265169979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132584969 + 1132584970.

It is an arithmetic number, because the mean of its divisors is an integer number (1132584970).

Almost surely, 2^2265169939 is an apocalyptic number.

2265169939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265169939 is an equidigital number, since it uses as much as digits as its factorization.

2265169939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 52.

The square root of 2265169939 is about 47593.8014766629. The cubic root of 2265169939 is about 1313.3090283336.

The spelling of 2265169939 in words is "two billion, two hundred sixty-five million, one hundred sixty-nine thousand, nine hundred thirty-nine".