5243470240913 has 2 divisors, whose sum is σ = 5243470240914. Its totient is φ = 5243470240912.

The previous prime is 5243470240907. The next prime is 5243470240949. The reversal of 5243470240913 is 3190420743425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4015026085009 + 1228444155904 = 2003753^2 + 1108352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5243470240913 is a prime.

It is not a weakly prime, because it can be changed into another prime (5243470240973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621735120456 + 2621735120457.

It is an arithmetic number, because the mean of its divisors is an integer number (2621735120457).

Almost surely, 2^{5243470240913} is an apocalyptic number.

It is an amenable number.

5243470240913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243470240913 is an equidigital number, since it uses as much as digits as its factorization.

5243470240913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 5243470240913 in words is "five trillion, two hundred forty-three billion, four hundred seventy million, two hundred forty thousand, nine hundred thirteen".