9828049869 has 20 divisors (see below), whose sum is σ = 16016082720. Its totient is φ = 5956393320.

The previous prime is 9828049867. The next prime is 9828049897. The reversal of 9828049869 is 9689408289.

9828049869 is a `hidden beast` number, since 9 + 8 + 2 + 80 + 498 + 69 = 666.

It is not a de Polignac number, because 9828049869 - 2¹ = 9828049867 is a prime.

It is a super-2 number, since 2×9828049869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9828049867) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5514289 + ... + 5516070.

It is an arithmetic number, because the mean of its divisors is an integer number (800804136).

Almost surely, 2^9828049869 is an apocalyptic number.

9828049869 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9828049869 is a deficient number, since it is larger than the sum of its proper divisors (6188032851).

9828049869 is a wasteful number, since it uses less digits than its factorization.

9828049869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030382 (or 11030373 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The square root of 9828049869 is about 99136.5213682627. The cubic root of 9828049869 is about 2142.0147175506.

The spelling of 9828049869 in words is "nine billion, eight hundred twenty-eight million, forty-nine thousand, eight hundred sixty-nine".