726015089605 has 16 divisors (see below), whose sum is σ = 938252642544. Its totient is φ = 536124072960.

The previous prime is 726015089563. The next prime is 726015089621. The reversal of 726015089605 is 506980510627.

It can be written as a sum of positive squares in 8 ways, for example, as 5796385956 + 720218703649 = 76134^2 + 848657^2 .

It is not a de Polignac number, because 726015089605 - 2⁷ = 726015089477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6707677 + ... + 6815053.

It is an arithmetic number, because the mean of its divisors is an integer number (58640790159).

Almost surely, 2^726015089605 is an apocalyptic number.

It is an amenable number.

726015089605 is a deficient number, since it is larger than the sum of its proper divisors (212237552939).

726015089605 is a wasteful number, since it uses less digits than its factorization.

726015089605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211416.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 726015089605 in words is "seven hundred twenty-six billion, fifteen million, eighty-nine thousand, six hundred five".