720072538313 has 2 divisors, whose sum is σ = 720072538314. Its totient is φ = 720072538312.

The previous prime is 720072538267. The next prime is 720072538391. The reversal of 720072538313 is 313835270027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696218353609 + 23854184704 = 834397^2 + 154448^2 .

It is a cyclic number.

It is not a de Polignac number, because 720072538313 - 2³⁸ = 445194631369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (720072531313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360036269156 + 360036269157.

It is an arithmetic number, because the mean of its divisors is an integer number (360036269157).

Almost surely, 2^720072538313 is an apocalyptic number.

It is an amenable number.

720072538313 is a deficient number, since it is larger than the sum of its proper divisors (1).

720072538313 is an equidigital number, since it uses as much as digits as its factorization.

720072538313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 720072538313 in words is "seven hundred twenty billion, seventy-two million, five hundred thirty-eight thousand, three hundred thirteen".