189548696609 has 4 divisors (see below), whose sum is σ = 189549978816. Its totient is φ = 189547414404.

The previous prime is 189548696599. The next prime is 189548696633. The reversal of 189548696609 is 906696845981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189548696609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189548696699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385349 + ... + 726354.

It is an arithmetic number, because the mean of its divisors is an integer number (47387494704).

Almost surely, 2^189548696609 is an apocalyptic number.

It is an amenable number.

189548696609 is a deficient number, since it is larger than the sum of its proper divisors (1282207).

189548696609 is a wasteful number, since it uses less digits than its factorization.

189548696609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282206.

The product of its (nonzero) digits is 201553920, while the sum is 71.

The spelling of 189548696609 in words is "one hundred eighty-nine billion, five hundred forty-eight million, six hundred ninety-six thousand, six hundred nine".