196781847319 has 2 divisors, whose sum is σ = 196781847320. Its totient is φ = 196781847318.

The previous prime is 196781847287. The next prime is 196781847323. The reversal of 196781847319 is 913748187691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196781847319 - 2⁵ = 196781847287 is a prime.

It is a super-2 number, since 2×196781847319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196781847329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98390923659 + 98390923660.

It is an arithmetic number, because the mean of its divisors is an integer number (98390923660).

Almost surely, 2^196781847319 is an apocalyptic number.

196781847319 is a deficient number, since it is larger than the sum of its proper divisors (1).

196781847319 is an equidigital number, since it uses as much as digits as its factorization.

196781847319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 64.

The spelling of 196781847319 in words is "one hundred ninety-six billion, seven hundred eighty-one million, eight hundred forty-seven thousand, three hundred nineteen".