726411773251 has 2 divisors, whose sum is σ = 726411773252. Its totient is φ = 726411773250.

The previous prime is 726411773159. The next prime is 726411773291. The reversal of 726411773251 is 152377114627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 726411773251 - 2⁹ = 726411772739 is a prime.

It is not a weakly prime, because it can be changed into another prime (726411773291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363205886625 + 363205886626.

It is an arithmetic number, because the mean of its divisors is an integer number (363205886626).

Almost surely, 2^726411773251 is an apocalyptic number.

726411773251 is a deficient number, since it is larger than the sum of its proper divisors (1).

726411773251 is an equidigital number, since it uses as much as digits as its factorization.

726411773251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 46.

Adding to 726411773251 its reverse (152377114627), we get a palindrome (878788887878).

The spelling of 726411773251 in words is "seven hundred twenty-six billion, four hundred eleven million, seven hundred seventy-three thousand, two hundred fifty-one".