726413585501 has 2 divisors, whose sum is σ = 726413585502. Its totient is φ = 726413585500.

The previous prime is 726413585497. The next prime is 726413585503. The reversal of 726413585501 is 105585314627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726413585401 + 100 = 852299^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 726413585501 - 2² = 726413585497 is a prime.

Together with 726413585503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726413585503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363206792750 + 363206792751.

It is an arithmetic number, because the mean of its divisors is an integer number (363206792751).

Almost surely, 2^726413585501 is an apocalyptic number.

It is an amenable number.

726413585501 is a deficient number, since it is larger than the sum of its proper divisors (1).

726413585501 is an equidigital number, since it uses as much as digits as its factorization.

726413585501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 726413585501 in words is "seven hundred twenty-six billion, four hundred thirteen million, five hundred eighty-five thousand, five hundred one".