9825794690 has 8 divisors (see below), whose sum is σ = 17686430460. Its totient is φ = 3930317872.

The previous prime is 9825794681. The next prime is 9825794701. The reversal of 9825794690 is 964975289.

It can be written as a sum of positive squares in 2 ways, for example, as 9760847209 + 64947481 = 98797^2 + 8059^2 .

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

It is a super-2 number, since 2×9825794690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491289725 + ... + 491289744.

Almost surely, 2^9825794690 is an apocalyptic number.

9825794690 is a deficient number, since it is larger than the sum of its proper divisors (7860635770).

9825794690 is a wasteful number, since it uses less digits than its factorization.

9825794690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982579476.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The square root of 9825794690 is about 99125.1466077100. The cubic root of 9825794690 is about 2141.8508669324.

The spelling of 9825794690 in words is "nine billion, eight hundred twenty-five million, seven hundred ninety-four thousand, six hundred ninety".