9828494611849 has 3 divisors (see below), whose sum is σ = 9828497746893. Its totient is φ = 9828491476806.

The previous prime is 9828494611669. The next prime is 9828494611933. The reversal of 9828494611849 is 9481164948289.

The square root of 9828494611849 is 3135043.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 9828494611849 - 2³⁷ = 9691055658377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9828494011849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1567522 + ... + 4702564.

It is an arithmetic number, because the mean of its divisors is an integer number (3276165915631).

Almost surely, 2^{9828494611849} is an apocalyptic number.

9828494611849 is the 3135043-rd square number.

9828494611849 is the 1567522-nd centered octagonal number.

It is an amenable number.

9828494611849 is a deficient number, since it is larger than the sum of its proper divisors (3135044).

9828494611849 is an frugal number, since it uses more digits than its factorization.

9828494611849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270086 (or 3135043 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 73.

The spelling of 9828494611849 in words is "nine trillion, eight hundred twenty-eight billion, four hundred ninety-four million, six hundred eleven thousand, eight hundred forty-nine".