726594151273 has 2 divisors, whose sum is σ = 726594151274. Its totient is φ = 726594151272.

The previous prime is 726594151267. The next prime is 726594151319. The reversal of 726594151273 is 372151495627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420744227904 + 305849923369 = 648648^2 + 553037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726594151273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726594151273.

It is not a weakly prime, because it can be changed into another prime (726594151223) 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 as a sum of consecutive naturals, namely, 363297075636 + 363297075637.

It is an arithmetic number, because the mean of its divisors is an integer number (363297075637).

Almost surely, 2^726594151273 is an apocalyptic number.

It is an amenable number.

726594151273 is a deficient number, since it is larger than the sum of its proper divisors (1).

726594151273 is an equidigital number, since it uses as much as digits as its factorization.

726594151273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 52.

The spelling of 726594151273 in words is "seven hundred twenty-six billion, five hundred ninety-four million, one hundred fifty-one thousand, two hundred seventy-three".