9798402605 has 16 divisors (see below), whose sum is σ = 11942489664. Its totient is φ = 7715959680.

The previous prime is 9798402577. The next prime is 9798402623. The reversal of 9798402605 is 5062048979.

It is a happy number.

It is not a de Polignac number, because 9798402605 - 2⁸ = 9798402349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469850 + ... + 490260.

It is an arithmetic number, because the mean of its divisors is an integer number (746405604).

Almost surely, 2^9798402605 is an apocalyptic number.

It is an amenable number.

9798402605 is a deficient number, since it is larger than the sum of its proper divisors (2144087059).

9798402605 is a wasteful number, since it uses less digits than its factorization.

9798402605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21916.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 9798402605 is about 98986.8809741978. The cubic root of 9798402605 is about 2139.8586832032.

The spelling of 9798402605 in words is "nine billion, seven hundred ninety-eight million, four hundred two thousand, six hundred five".