9969754579698 has 32 divisors (see below), whose sum is σ = 19954564964352. Its totient is φ = 3320742733200.

The previous prime is 9969754579651. The next prime is 9969754579709. The reversal of 9969754579698 is 8969754579699.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85746783 + ... + 85862973.

It is an arithmetic number, because the mean of its divisors is an integer number (623580155136).

Almost surely, 2^{9969754579698} is an apocalyptic number.

9969754579698 is an abundant number, since it is smaller than the sum of its proper divisors (9984810384654).

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

9969754579698 is a wasteful number, since it uses less digits than its factorization.

9969754579698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126870.

The product of its digits is 83329948800, while the sum is 93.

Subtracting from 9969754579698 its reverse (8969754579699), we obtain a palindrome (999999999999).

The spelling of 9969754579698 in words is "nine trillion, nine hundred sixty-nine billion, seven hundred fifty-four million, five hundred seventy-nine thousand, six hundred ninety-eight".