2340247709 has 2 divisors, whose sum is σ = 2340247710. Its totient is φ = 2340247708.

The previous prime is 2340247673. The next prime is 2340247739. The reversal of 2340247709 is 9077420432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1448030809 + 892216900 = 38053^2 + 29870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340247709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340247739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170123854 + 1170123855.

It is an arithmetic number, because the mean of its divisors is an integer number (1170123855).

Almost surely, 2^2340247709 is an apocalyptic number.

It is an amenable number.

2340247709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340247709 is an equidigital number, since it uses as much as digits as its factorization.

2340247709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 2340247709 is about 48376.1067987080. The cubic root of 2340247709 is about 1327.6612390524.

The spelling of 2340247709 in words is "two billion, three hundred forty million, two hundred forty-seven thousand, seven hundred nine".