720461813713 has 8 divisors (see below), whose sum is σ = 802991495520. Its totient is φ = 642393195840.

The previous prime is 720461813671. The next prime is 720461813723. The reversal of 720461813713 is 317318164027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720461813713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720461813713.

It is not an unprimeable number, because it can be changed into a prime (720461813723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115265643 + ... + 1115266288.

It is an arithmetic number, because the mean of its divisors is an integer number (100373936940).

Almost surely, 2^720461813713 is an apocalyptic number.

It is an amenable number.

720461813713 is a deficient number, since it is larger than the sum of its proper divisors (82529681807).

720461813713 is a wasteful number, since it uses less digits than its factorization.

720461813713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230531967.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 720461813713 in words is "seven hundred twenty billion, four hundred sixty-one million, eight hundred thirteen thousand, seven hundred thirteen".