196471648279 has 2 divisors, whose sum is σ = 196471648280. Its totient is φ = 196471648278.

The previous prime is 196471648253. The next prime is 196471648327. The reversal of 196471648279 is 972846174691.

It is a weak prime.

It is an emirp because it is prime and its reverse (972846174691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196471648279 - 2¹⁵ = 196471615511 is a prime.

It is a super-2 number, since 2×196471648279² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196471648279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196471648249) 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 as a sum of consecutive naturals, namely, 98235824139 + 98235824140.

It is an arithmetic number, because the mean of its divisors is an integer number (98235824140).

Almost surely, 2^196471648279 is an apocalyptic number.

196471648279 is a deficient number, since it is larger than the sum of its proper divisors (1).

196471648279 is an equidigital number, since it uses as much as digits as its factorization.

196471648279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 64.

The spelling of 196471648279 in words is "one hundred ninety-six billion, four hundred seventy-one million, six hundred forty-eight thousand, two hundred seventy-nine".