196489470042 has 12 divisors (see below), whose sum is σ = 425727185130. Its totient is φ = 65496490008.

The previous prime is 196489470041. The next prime is 196489470127. The reversal of 196489470042 is 240074984691.

196489470042 is a `hidden beast` number, since 1 + 96 + 4 + 89 + 470 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106394044761 + 90095425281 = 326181^2 + 300159^2 .

It is a super-2 number, since 2×196489470042² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196489470041) 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 in 5 ways as a sum of consecutive naturals, for example, 5458040817 + ... + 5458040852.

Almost surely, 2^196489470042 is an apocalyptic number.

196489470042 is an abundant number, since it is smaller than the sum of its proper divisors (229237715088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196489470042 is a wasteful number, since it uses less digits than its factorization.

196489470042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916081677 (or 10916081674 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 196489470042 in words is "one hundred ninety-six billion, four hundred eighty-nine million, four hundred seventy thousand, forty-two".