9797874569 has 4 divisors (see below), whose sum is σ = 11197570944. Its totient is φ = 8398178196.

The previous prime is 9797874551. The next prime is 9797874623. The reversal of 9797874569 is 9654787979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9797874569 - 2⁸ = 9797874313 is a prime.

It is a super-2 number, since 2×9797874569² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9797874869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699848177 + ... + 699848190.

It is an arithmetic number, because the mean of its divisors is an integer number (2799392736).

Almost surely, 2^9797874569 is an apocalyptic number.

It is an amenable number.

9797874569 is a deficient number, since it is larger than the sum of its proper divisors (1399696375).

9797874569 is a wasteful number, since it uses less digits than its factorization.

9797874569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399696374.

The product of its digits is 240045120, while the sum is 71.

The square root of 9797874569 is about 98984.2137363327. The cubic root of 9797874569 is about 2139.8202435118.

The spelling of 9797874569 in words is "nine billion, seven hundred ninety-seven million, eight hundred seventy-four thousand, five hundred sixty-nine".