726073122449 has 2 divisors, whose sum is σ = 726073122450. Its totient is φ = 726073122448.

The previous prime is 726073122443. The next prime is 726073122503. The reversal of 726073122449 is 944221370627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697004577424 + 29068545025 = 834868^2 + 170495^2 .

It is a cyclic number.

It is not a de Polignac number, because 726073122449 - 2²⁰ = 726072073873 is a prime.

It is not a weakly prime, because it can be changed into another prime (726073122443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363036561224 + 363036561225.

It is an arithmetic number, because the mean of its divisors is an integer number (363036561225).

Almost surely, 2^726073122449 is an apocalyptic number.

It is an amenable number.

726073122449 is a deficient number, since it is larger than the sum of its proper divisors (1).

726073122449 is an equidigital number, since it uses as much as digits as its factorization.

726073122449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 726073122449 in words is "seven hundred twenty-six billion, seventy-three million, one hundred twenty-two thousand, four hundred forty-nine".