720338264713 has 4 divisors (see below), whose sum is σ = 739806866500. Its totient is φ = 700869662928.

The previous prime is 720338264699. The next prime is 720338264741. The reversal of 720338264713 is 317462833027.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 551644881984 + 168693382729 = 742728^2 + 410723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720338264713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720338262713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9734300838 + ... + 9734300911.

It is an arithmetic number, because the mean of its divisors is an integer number (184951716625).

Almost surely, 2^720338264713 is an apocalyptic number.

It is an amenable number.

720338264713 is a deficient number, since it is larger than the sum of its proper divisors (19468601787).

720338264713 is a wasteful number, since it uses less digits than its factorization.

720338264713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468601786.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 720338264713 in words is "seven hundred twenty billion, three hundred thirty-eight million, two hundred sixty-four thousand, seven hundred thirteen".