196209744347 has 4 divisors (see below), whose sum is σ = 197946113880. Its totient is φ = 194473374816.

The previous prime is 196209744343. The next prime is 196209744371. The reversal of 196209744347 is 743447902691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196209744347 - 2² = 196209744343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196209744292 and 196209744301.

It is not an unprimeable number, because it can be changed into a prime (196209744343) 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, 868184597 + ... + 868184822.

It is an arithmetic number, because the mean of its divisors is an integer number (49486528470).

Almost surely, 2^196209744347 is an apocalyptic number.

196209744347 is a deficient number, since it is larger than the sum of its proper divisors (1736369533).

196209744347 is a wasteful number, since it uses less digits than its factorization.

196209744347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736369532.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 196209744347 in words is "one hundred ninety-six billion, two hundred nine million, seven hundred forty-four thousand, three hundred forty-seven".