720915127849 has 8 divisors (see below), whose sum is σ = 824695988480. Its totient is φ = 617332513536.

The previous prime is 720915127847. The next prime is 720915127883. The reversal of 720915127849 is 948721519027.

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

It is a cyclic number.

It is not a de Polignac number, because 720915127849 - 2¹ = 720915127847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 720915127849.

It is not an unprimeable number, because it can be changed into a prime (720915127847) 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, 49553784 + ... + 49568329.

It is an arithmetic number, because the mean of its divisors is an integer number (103086998560).

Almost surely, 2^720915127849 is an apocalyptic number.

It is an amenable number.

720915127849 is a deficient number, since it is larger than the sum of its proper divisors (103780860631).

720915127849 is a wasteful number, since it uses less digits than its factorization.

720915127849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99123159.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 720915127849 in words is "seven hundred twenty billion, nine hundred fifteen million, one hundred twenty-seven thousand, eight hundred forty-nine".