196428769643 has 8 divisors (see below), whose sum is σ = 206788530000. Its totient is φ = 186071149728.

The previous prime is 196428769631. The next prime is 196428769657. The reversal of 196428769643 is 346967824691.

196428769643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196428769643 - 2¹⁴ = 196428753259 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 196428769643.

It is not an unprimeable number, because it can be changed into a prime (196428769673) 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 7 ways as a sum of consecutive naturals, for example, 344996 + ... + 715457.

It is an arithmetic number, because the mean of its divisors is an integer number (25848566250).

Almost surely, 2^196428769643 is an apocalyptic number.

196428769643 is a deficient number, since it is larger than the sum of its proper divisors (10359760357).

196428769643 is a wasteful number, since it uses less digits than its factorization.

196428769643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070221.

The product of its digits is 94058496, while the sum is 65.

The spelling of 196428769643 in words is "one hundred ninety-six billion, four hundred twenty-eight million, seven hundred sixty-nine thousand, six hundred forty-three".