196280905309 has 8 divisors (see below), whose sum is σ = 196590023168. Its totient is φ = 195972032880.

The previous prime is 196280905307. The next prime is 196280905351. The reversal of 196280905309 is 903509082691.

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 196280905309 - 2¹ = 196280905307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196280905307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573459 + ... + 1693615.

It is an arithmetic number, because the mean of its divisors is an integer number (24573752896).

Almost surely, 2^196280905309 is an apocalyptic number.

It is an amenable number.

196280905309 is a deficient number, since it is larger than the sum of its proper divisors (309117859).

196280905309 is a wasteful number, since it uses less digits than its factorization.

196280905309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122715.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 196280905309 in words is "one hundred ninety-six billion, two hundred eighty million, nine hundred five thousand, three hundred nine".