726404346450199 has 8 divisors (see below), whose sum is σ = 769138184445408. Its totient is φ = 683670971850240.

The previous prime is 726404346450191. The next prime is 726404346450229. The reversal of 726404346450199 is 991054643404627.

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 not a de Polignac number, because 726404346450199 - 2³ = 726404346450191 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 726404346450199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726404346450191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112618882 + ... + 118894159.

It is an arithmetic number, because the mean of its divisors is an integer number (96142273055676).

Almost surely, 2^{726404346450199} is an apocalyptic number.

726404346450199 is a deficient number, since it is larger than the sum of its proper divisors (42733837995209).

726404346450199 is a wasteful number, since it uses less digits than its factorization.

726404346450199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231697625.

The product of its (nonzero) digits is 156764160, while the sum is 64.

The spelling of 726404346450199 in words is "seven hundred twenty-six trillion, four hundred four billion, three hundred forty-six million, four hundred fifty thousand, one hundred ninety-nine".