9813481197 has 8 divisors (see below), whose sum is σ = 14091152544. Its totient is φ = 6039065328.

The previous prime is 9813481193. The next prime is 9813481207. The reversal of 9813481197 is 7911843189.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9813481197 - 2² = 9813481193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9813481193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125813823 + ... + 125813900.

It is an arithmetic number, because the mean of its divisors is an integer number (1761394068).

Almost surely, 2^9813481197 is an apocalyptic number.

It is an amenable number.

9813481197 is a deficient number, since it is larger than the sum of its proper divisors (4277671347).

9813481197 is a wasteful number, since it uses less digits than its factorization.

9813481197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251627739.

The product of its digits is 435456, while the sum is 51.

The square root of 9813481197 is about 99063.0162926609. The cubic root of 9813481197 is about 2140.9557844428.

The spelling of 9813481197 in words is "nine billion, eight hundred thirteen million, four hundred eighty-one thousand, one hundred ninety-seven".