195543298049 has 8 divisors (see below), whose sum is σ = 213327185760. Its totient is φ = 177760614400.

The previous prime is 195543298007. The next prime is 195543298061. The reversal of 195543298049 is 940892345591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195543298049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195543268049) 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, 57089 + ... + 627969.

It is an arithmetic number, because the mean of its divisors is an integer number (26665898220).

Almost surely, 2^195543298049 is an apocalyptic number.

It is an amenable number.

195543298049 is a deficient number, since it is larger than the sum of its proper divisors (17783887711).

195543298049 is a wasteful number, since it uses less digits than its factorization.

195543298049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602031.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 195543298049 in words is "one hundred ninety-five billion, five hundred forty-three million, two hundred ninety-eight thousand, forty-nine".