198569852949 has 8 divisors (see below), whose sum is σ = 285125942752. Its totient is φ = 122196832560.

The previous prime is 198569852879. The next prime is 198569852959. The reversal of 198569852949 is 949258965891.

198569852949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 198569852949 - 2¹⁷ = 198569721877 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 (198569852959) 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 7 ways as a sum of consecutive naturals, for example, 2545767307 + ... + 2545767384.

It is an arithmetic number, because the mean of its divisors is an integer number (35640742844).

Almost surely, 2^198569852949 is an apocalyptic number.

It is an amenable number.

198569852949 is a deficient number, since it is larger than the sum of its proper divisors (86556089803).

198569852949 is a wasteful number, since it uses less digits than its factorization.

198569852949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091534707.

The product of its digits is 503884800, while the sum is 75.

The spelling of 198569852949 in words is "one hundred ninety-eight billion, five hundred sixty-nine million, eight hundred fifty-two thousand, nine hundred forty-nine".