9197921462109 has 32 divisors (see below), whose sum is σ = 12680986752000. Its totient is φ = 5924081748480.

The previous prime is 9197921462099. The next prime is 9197921462129. The reversal of 9197921462109 is 9012641297919.

It is not a de Polignac number, because 9197921462109 - 2⁸ = 9197921461853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9197921462129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133911427 + ... + 133980095.

It is an arithmetic number, because the mean of its divisors is an integer number (396280836000).

Almost surely, 2^{9197921462109} is an apocalyptic number.

It is an amenable number.

9197921462109 is a deficient number, since it is larger than the sum of its proper divisors (3483065289891).

9197921462109 is a wasteful number, since it uses less digits than its factorization.

9197921462109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71125.

The product of its (nonzero) digits is 4408992, while the sum is 60.

The spelling of 9197921462109 in words is "nine trillion, one hundred ninety-seven billion, nine hundred twenty-one million, four hundred sixty-two thousand, one hundred nine".