198449630763 has 8 divisors (see below), whose sum is σ = 265011018048. Its totient is φ = 132093998664.

The previous prime is 198449630749. The next prime is 198449630767. The reversal of 198449630763 is 367036944891.

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

It is not a de Polignac number, because 198449630763 - 2⁹ = 198449630251 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 198449630697 and 198449630706.

It is not an unprimeable number, because it can be changed into a prime (198449630767) 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 7 ways as a sum of consecutive naturals, for example, 51436545 + ... + 51440402.

It is an arithmetic number, because the mean of its divisors is an integer number (33126377256).

Almost surely, 2^198449630763 is an apocalyptic number.

198449630763 is a deficient number, since it is larger than the sum of its proper divisors (66561387285).

198449630763 is a wasteful number, since it uses less digits than its factorization.

198449630763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102877593.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 198449630763 in words is "one hundred ninety-eight billion, four hundred forty-nine million, six hundred thirty thousand, seven hundred sixty-three".