196545295609 has 16 divisors (see below), whose sum is σ = 224224679952. Its totient is φ = 170670716928.

The previous prime is 196545295603. The next prime is 196545295613. The reversal of 196545295609 is 906592545691.

196545295609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 476112400 + 196069183209 = 21820^2 + 442797^2 .

It is a cyclic number.

It is not a de Polignac number, because 196545295609 - 2³ = 196545295601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196545295601) 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 15 ways as a sum of consecutive naturals, for example, 237117 + ... + 670309.

It is an arithmetic number, because the mean of its divisors is an integer number (14014042497).

Almost surely, 2^196545295609 is an apocalyptic number.

It is an amenable number.

196545295609 is a deficient number, since it is larger than the sum of its proper divisors (27679384343).

196545295609 is a wasteful number, since it uses less digits than its factorization.

196545295609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435276.

The product of its (nonzero) digits is 26244000, while the sum is 61.

The spelling of 196545295609 in words is "one hundred ninety-six billion, five hundred forty-five million, two hundred ninety-five thousand, six hundred nine".