198956369315 has 32 divisors (see below), whose sum is σ = 262772024832. Its totient is φ = 144603228000.

The previous prime is 198956369309. The next prime is 198956369317. The reversal of 198956369315 is 513963659891.

198956369315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198956369315 - 2⁶ = 198956369251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198956369317) 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 31 ways as a sum of consecutive naturals, for example, 11457890 + ... + 11475240.

It is an arithmetic number, because the mean of its divisors is an integer number (8211625776).

Almost surely, 2^198956369315 is an apocalyptic number.

198956369315 is a deficient number, since it is larger than the sum of its proper divisors (63815655517).

198956369315 is a wasteful number, since it uses less digits than its factorization.

198956369315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19112 (or 19090 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 65.

The spelling of 198956369315 in words is "one hundred ninety-eight billion, nine hundred fifty-six million, three hundred sixty-nine thousand, three hundred fifteen".