196478478353 has 4 divisors (see below), whose sum is σ = 200185619508. Its totient is φ = 192771337200.

The previous prime is 196478478341. The next prime is 196478478407. The reversal of 196478478353 is 353874874691.

196478478353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72107286784 + 124371191569 = 268528^2 + 352663^2 .

It is a cyclic number.

It is not a de Polignac number, because 196478478353 - 2²⁶ = 196411369489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196478478353.

It is not an unprimeable number, because it can be changed into a prime (196478478253) 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 in 3 ways as a sum of consecutive naturals, for example, 1853570498 + ... + 1853570603.

It is an arithmetic number, because the mean of its divisors is an integer number (50046404877).

Almost surely, 2^196478478353 is an apocalyptic number.

It is an amenable number.

196478478353 is a deficient number, since it is larger than the sum of its proper divisors (3707141155).

196478478353 is an equidigital number, since it uses as much as digits as its factorization.

196478478353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707141154.

The product of its digits is 121927680, while the sum is 65.

The spelling of 196478478353 in words is "one hundred ninety-six billion, four hundred seventy-eight million, four hundred seventy-eight thousand, three hundred fifty-three".