196979567943 has 16 divisors (see below), whose sum is σ = 275234768640. Its totient is φ = 125071049664.

The previous prime is 196979567923. The next prime is 196979567951. The reversal of 196979567943 is 349765979691.

It is not a de Polignac number, because 196979567943 - 2⁹ = 196979567431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196979567923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6110053 + ... + 6142206.

It is an arithmetic number, because the mean of its divisors is an integer number (17202173040).

Almost surely, 2^196979567943 is an apocalyptic number.

196979567943 is a deficient number, since it is larger than the sum of its proper divisors (78255200697).

196979567943 is a wasteful number, since it uses less digits than its factorization.

196979567943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252518.

The product of its digits is 694416240, while the sum is 75.

The spelling of 196979567943 in words is "one hundred ninety-six billion, nine hundred seventy-nine million, five hundred sixty-seven thousand, nine hundred forty-three".