726403325597 has 2 divisors, whose sum is σ = 726403325598. Its totient is φ = 726403325596.

The previous prime is 726403325429. The next prime is 726403325611. The reversal of 726403325597 is 795523304627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506394484996 + 220008840601 = 711614^2 + 469051^2 .

It is a cyclic number.

It is not a de Polignac number, because 726403325597 - 2¹⁸ = 726403063453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726403325797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363201662798 + 363201662799.

It is an arithmetic number, because the mean of its divisors is an integer number (363201662799).

Almost surely, 2^726403325597 is an apocalyptic number.

It is an amenable number.

726403325597 is a deficient number, since it is larger than the sum of its proper divisors (1).

726403325597 is an equidigital number, since it uses as much as digits as its factorization.

726403325597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 726403325597 in words is "seven hundred twenty-six billion, four hundred three million, three hundred twenty-five thousand, five hundred ninety-seven".