726413585369 has 2 divisors, whose sum is σ = 726413585370. Its totient is φ = 726413585368.

The previous prime is 726413585347. The next prime is 726413585371. The reversal of 726413585369 is 963585314627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487639649344 + 238773936025 = 698312^2 + 488645^2 .

It is a cyclic number.

It is not a de Polignac number, because 726413585369 - 2¹² = 726413581273 is a prime.

It is a super-2 number, since 2×726413585369² (a number of 25 digits) contains 22 as substring.

Together with 726413585371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (726413585329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363206792684 + 363206792685.

It is an arithmetic number, because the mean of its divisors is an integer number (363206792685).

Almost surely, 2^726413585369 is an apocalyptic number.

It is an amenable number.

726413585369 is a deficient number, since it is larger than the sum of its proper divisors (1).

726413585369 is an equidigital number, since it uses as much as digits as its factorization.

726413585369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 59.

The spelling of 726413585369 in words is "seven hundred twenty-six billion, four hundred thirteen million, five hundred eighty-five thousand, three hundred sixty-nine".