10491333085 has 8 divisors (see below), whose sum is σ = 12714249816. Its totient is φ = 8309966400.

The previous prime is 10491333059. The next prime is 10491333089. The reversal of 10491333085 is 58033319401.

10491333085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5644667161 + 4846665924 = 75131^2 + 69618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10491333085 - 2⁵ = 10491333053 is a prime.

It is a super-2 number, since 2×10491333085² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10491333089) 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 7 ways as a sum of consecutive naturals, for example, 10386954 + ... + 10387963.

It is an arithmetic number, because the mean of its divisors is an integer number (1589281227).

Almost surely, 2^10491333085 is an apocalyptic number.

It is an amenable number.

10491333085 is a deficient number, since it is larger than the sum of its proper divisors (2222916731).

10491333085 is a wasteful number, since it uses less digits than its factorization.

10491333085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775023.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 10491333085 in words is "ten billion, four hundred ninety-one million, three hundred thirty-three thousand, eighty-five".