9826326493 has 4 divisors (see below), whose sum is σ = 9828222460. Its totient is φ = 9824430528.

The previous prime is 9826326481. The next prime is 9826326527. The reversal of 9826326493 is 3946236289.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8172521604 + 1653804889 = 90402^2 + 40667^2 .

It is a cyclic number.

It is not a de Polignac number, because 9826326493 - 2³³ = 1236391901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9826326493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9826326443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940188 + ... + 950581.

It is an arithmetic number, because the mean of its divisors is an integer number (2457055615).

Almost surely, 2^9826326493 is an apocalyptic number.

It is an amenable number.

9826326493 is a deficient number, since it is larger than the sum of its proper divisors (1895967).

9826326493 is a wasteful number, since it uses less digits than its factorization.

9826326493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895966.

The product of its digits is 3359232, while the sum is 52.

The square root of 9826326493 is about 99127.8290542066. The cubic root of 9826326493 is about 2141.8895074768.

The spelling of 9826326493 in words is "nine billion, eight hundred twenty-six million, three hundred twenty-six thousand, four hundred ninety-three".