726032049855457 has 2 divisors, whose sum is σ = 726032049855458. Its totient is φ = 726032049855456.

The previous prime is 726032049855389. The next prime is 726032049855499. The reversal of 726032049855457 is 754558940230627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532773368989456 + 193258680866001 = 23081884^2 + 13901751^2 .

It is a cyclic number.

It is not a de Polignac number, because 726032049855457 - 2¹⁵ = 726032049822689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726032049855392 and 726032049855401.

It is not a weakly prime, because it can be changed into another prime (726032049855557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363016024927728 + 363016024927729.

It is an arithmetic number, because the mean of its divisors is an integer number (363016024927729).

Almost surely, 2^{726032049855457} is an apocalyptic number.

It is an amenable number.

726032049855457 is a deficient number, since it is larger than the sum of its proper divisors (1).

726032049855457 is an equidigital number, since it uses as much as digits as its factorization.

726032049855457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032000, while the sum is 67.

The spelling of 726032049855457 in words is "seven hundred twenty-six trillion, thirty-two billion, forty-nine million, eight hundred fifty-five thousand, four hundred fifty-seven".