197600738409 has 12 divisors (see below), whose sum is σ = 295994522096. Its totient is φ = 131733825444.

The previous prime is 197600738383. The next prime is 197600738449. The reversal of 197600738409 is 904837006791.

It is a happy number.

It is not a de Polignac number, because 197600738409 - 2⁹ = 197600737897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197600738449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406585639 + ... + 406586124.

Almost surely, 2^197600738409 is an apocalyptic number.

It is an amenable number.

197600738409 is a deficient number, since it is larger than the sum of its proper divisors (98393783687).

197600738409 is an frugal number, since it uses more digits than its factorization.

197600738409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813171778 (or 813171766 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 197600738409 in words is "one hundred ninety-seven billion, six hundred million, seven hundred thirty-eight thousand, four hundred nine".