1726113641 has 6 divisors (see below), whose sum is σ = 2007928170. Its totient is φ = 1479525936.

The previous prime is 1726113619. The next prime is 1726113643. The reversal of 1726113641 is 1463116271.

It can be written as a sum of positive squares in only one way, i.e., 949934041 + 776179600 = 30821^2 + 27860^2 .

It is not a de Polignac number, because 1726113641 - 2¹⁰ = 1726112617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1726113598 and 1726113607.

It is not an unprimeable number, because it can be changed into a prime (1726113643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17613356 + ... + 17613453.

It is an arithmetic number, because the mean of its divisors is an integer number (334654695).

Almost surely, 2^1726113641 is an apocalyptic number.

It is an amenable number.

1726113641 is a deficient number, since it is larger than the sum of its proper divisors (281814529).

1726113641 is an equidigital number, since it uses as much as digits as its factorization.

1726113641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35226823 (or 35226816 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1726113641 is about 41546.5238136718. The cubic root of 1726113641 is about 1199.5631838364.

The spelling of 1726113641 in words is "one billion, seven hundred twenty-six million, one hundred thirteen thousand, six hundred forty-one".