196005736449 has 6 divisors (see below), whose sum is σ = 283119397106. Its totient is φ = 130670490960.

The previous prime is 196005736447. The next prime is 196005736453. The reversal of 196005736449 is 944637500691.

196005736449 is a `hidden beast` number, since 1 + 9 + 6 + 0 + 0 + 573 + 64 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 156258137025 + 39747599424 = 395295^2 + 199368^2 .

It is not a de Polignac number, because 196005736449 - 2¹ = 196005736447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196005736395 and 196005736404.

It is not an unprimeable number, because it can be changed into a prime (196005736441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10889207572 + ... + 10889207589.

Almost surely, 2^196005736449 is an apocalyptic number.

It is an amenable number.

196005736449 is a deficient number, since it is larger than the sum of its proper divisors (87113660657).

196005736449 is a wasteful number, since it uses less digits than its factorization.

196005736449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778415167 (or 21778415164 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 196005736449 in words is "one hundred ninety-six billion, five million, seven hundred thirty-six thousand, four hundred forty-nine".