9803491002 has 12 divisors (see below), whose sum is σ = 21240897210. Its totient is φ = 3267830328.

The previous prime is 9803490947. The next prime is 9803491007. The reversal of 9803491002 is 2001943089.

It can be written as a sum of positive squares in only one way, i.e., 9551348361 + 252142641 = 97731^2 + 15879^2 .

It is a super-3 number, since 3×9803491002³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (9803491007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272319177 + ... + 272319212.

Almost surely, 2^9803491002 is an apocalyptic number.

9803491002 is an abundant number, since it is smaller than the sum of its proper divisors (11437406208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9803491002 is a wasteful number, since it uses less digits than its factorization.

9803491002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544638397 (or 544638394 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9803491002 is about 99012.5800189047. The cubic root of 9803491002 is about 2140.2290349386.

The spelling of 9803491002 in words is "nine billion, eight hundred three million, four hundred ninety-one thousand, two".