726402423013 has 2 divisors, whose sum is σ = 726402423014. Its totient is φ = 726402423012.

The previous prime is 726402423011. The next prime is 726402423079. The reversal of 726402423013 is 310324204627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371279392929 + 355123030084 = 609327^2 + 595922^2 .

It is a cyclic number.

It is not a de Polignac number, because 726402423013 - 2¹ = 726402423011 is a prime.

Together with 726402423011, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 726402423013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726402423011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363201211506 + 363201211507.

It is an arithmetic number, because the mean of its divisors is an integer number (363201211507).

Almost surely, 2^726402423013 is an apocalyptic number.

It is an amenable number.

726402423013 is a deficient number, since it is larger than the sum of its proper divisors (1).

726402423013 is an equidigital number, since it uses as much as digits as its factorization.

726402423013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 726402423013 in words is "seven hundred twenty-six billion, four hundred two million, four hundred twenty-three thousand, thirteen".