3240737243 has 2 divisors, whose sum is σ = 3240737244. Its totient is φ = 3240737242.

The previous prime is 3240737221. The next prime is 3240737263. The reversal of 3240737243 is 3427370423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3240737243 - 2⁸ = 3240736987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3240737263) 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, 1620368621 + 1620368622.

It is an arithmetic number, because the mean of its divisors is an integer number (1620368622).

Almost surely, 2^3240737243 is an apocalyptic number.

3240737243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240737243 is an equidigital number, since it uses as much as digits as its factorization.

3240737243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 35.

The square root of 3240737243 is about 56927.4735343138. The cubic root of 3240737243 is about 1479.8394705056.

The spelling of 3240737243 in words is "three billion, two hundred forty million, seven hundred thirty-seven thousand, two hundred forty-three".