196731279947 has 2 divisors, whose sum is σ = 196731279948. Its totient is φ = 196731279946.

The previous prime is 196731279923. The next prime is 196731279949. The reversal of 196731279947 is 749972137691.

196731279947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196731279947 - 2²⁴ = 196714502731 is a prime.

It is a super-3 number, since 3×196731279947³ (a number of 35 digits) contains 333 as substring.

Together with 196731279949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196731279949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98365639973 + 98365639974.

It is an arithmetic number, because the mean of its divisors is an integer number (98365639974).

Almost surely, 2^196731279947 is an apocalyptic number.

196731279947 is a deficient number, since it is larger than the sum of its proper divisors (1).

196731279947 is an equidigital number, since it uses as much as digits as its factorization.

196731279947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36006768, while the sum is 65.

The spelling of 196731279947 in words is "one hundred ninety-six billion, seven hundred thirty-one million, two hundred seventy-nine thousand, nine hundred forty-seven".