726682425609 has 32 divisors (see below), whose sum is σ = 1137376650240. Its totient is φ = 403980391872.

The previous prime is 726682425593. The next prime is 726682425613. The reversal of 726682425609 is 906524286627.

It is not a de Polignac number, because 726682425609 - 2⁴ = 726682425593 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (726682426609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7925662 + ... + 8016824.

It is an arithmetic number, because the mean of its divisors is an integer number (35543020320).

Almost surely, 2^726682425609 is an apocalyptic number.

It is an amenable number.

726682425609 is a deficient number, since it is larger than the sum of its proper divisors (410694224631).

726682425609 is a wasteful number, since it uses less digits than its factorization.

726682425609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101469.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 726682425609 in words is "seven hundred twenty-six billion, six hundred eighty-two million, four hundred twenty-five thousand, six hundred nine".