720546464719 has 4 divisors (see below), whose sum is σ = 720573197400. Its totient is φ = 720519732040.

The previous prime is 720546464711. The next prime is 720546464753. The reversal of 720546464719 is 917464645027.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 720546464719 - 2³ = 720546464711 is a prime.

It is a super-2 number, since 2×720546464719² (a number of 25 digits) contains 22 as substring.

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 720546464719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720546464711) 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 in 3 ways as a sum of consecutive naturals, for example, 13325869 + ... + 13379830.

It is an arithmetic number, because the mean of its divisors is an integer number (180143299350).

Almost surely, 2^720546464719 is an apocalyptic number.

720546464719 is a deficient number, since it is larger than the sum of its proper divisors (26732681).

720546464719 is a wasteful number, since it uses less digits than its factorization.

720546464719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26732680.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 720546464719 in words is "seven hundred twenty billion, five hundred forty-six million, four hundred sixty-four thousand, seven hundred nineteen".