198049241015 has 4 divisors (see below), whose sum is σ = 237659089224. Its totient is φ = 158439392808.

The previous prime is 198049240981. The next prime is 198049241081. The reversal of 198049241015 is 510142940891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198049241015 - 2¹² = 198049236919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19804924097 + ... + 19804924106.

It is an arithmetic number, because the mean of its divisors is an integer number (59414772306).

Almost surely, 2^198049241015 is an apocalyptic number.

198049241015 is a deficient number, since it is larger than the sum of its proper divisors (39609848209).

198049241015 is an equidigital number, since it uses as much as digits as its factorization.

198049241015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39609848208.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 198049241015 in words is "one hundred ninety-eight billion, forty-nine million, two hundred forty-one thousand, fifteen".