726363722899 has 4 divisors (see below), whose sum is σ = 727259363320. Its totient is φ = 725468082480.

The previous prime is 726363722897. The next prime is 726363722971. The reversal of 726363722899 is 998227363627.

726363722899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 726363722899 - 2¹ = 726363722897 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 726363722899.

It is not an unprimeable number, because it can be changed into a prime (726363722897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447818994 + ... + 447820615.

It is an arithmetic number, because the mean of its divisors is an integer number (181814840830).

Almost surely, 2^726363722899 is an apocalyptic number.

726363722899 is a deficient number, since it is larger than the sum of its proper divisors (895640421).

726363722899 is an equidigital number, since it uses as much as digits as its factorization.

726363722899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895640420.

The product of its digits is 82301184, while the sum is 64.

The spelling of 726363722899 in words is "seven hundred twenty-six billion, three hundred sixty-three million, seven hundred twenty-two thousand, eight hundred ninety-nine".