720539750213 has 16 divisors (see below), whose sum is σ = 765707904000. Its totient is φ = 675683613696.

The previous prime is 720539750197. The next prime is 720539750239. The reversal of 720539750213 is 312057935027.

It is a cyclic number.

It is not a de Polignac number, because 720539750213 - 2⁴ = 720539750197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720539752213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8545820 + ... + 8629722.

It is an arithmetic number, because the mean of its divisors is an integer number (47856744000).

Almost surely, 2^720539750213 is an apocalyptic number.

It is an amenable number.

720539750213 is a deficient number, since it is larger than the sum of its proper divisors (45168153787).

720539750213 is a wasteful number, since it uses less digits than its factorization.

720539750213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85756.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 720539750213 in words is "seven hundred twenty billion, five hundred thirty-nine million, seven hundred fifty thousand, two hundred thirteen".