9497616884921 has 4 divisors (see below), whose sum is σ = 10361036601744. Its totient is φ = 8634197168100.

The previous prime is 9497616884887. The next prime is 9497616884963. The reversal of 9497616884921 is 1294886167949.

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 9497616884921 - 2¹⁰ = 9497616883897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9497616884981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 431709858395 + ... + 431709858416.

It is an arithmetic number, because the mean of its divisors is an integer number (2590259150436).

Almost surely, 2^{9497616884921} is an apocalyptic number.

It is an amenable number.

9497616884921 is a deficient number, since it is larger than the sum of its proper divisors (863419716823).

9497616884921 is a wasteful number, since it uses less digits than its factorization.

9497616884921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863419716822.

The product of its digits is 376233984, while the sum is 74.

The spelling of 9497616884921 in words is "nine trillion, four hundred ninety-seven billion, six hundred sixteen million, eight hundred eighty-four thousand, nine hundred twenty-one".