198962749115 has 32 divisors (see below), whose sum is σ = 263923349760. Its totient is φ = 143085896064.

The previous prime is 198962749067. The next prime is 198962749121. The reversal of 198962749115 is 511947269891.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198962749115 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167912 + ... + 652778.

It is an arithmetic number, because the mean of its divisors is an integer number (8247604680).

Almost surely, 2^198962749115 is an apocalyptic number.

198962749115 is a deficient number, since it is larger than the sum of its proper divisors (64960600645).

198962749115 is a wasteful number, since it uses less digits than its factorization.

198962749115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485051.

The product of its digits is 9797760, while the sum is 62.

The spelling of 198962749115 in words is "one hundred ninety-eight billion, nine hundred sixty-two million, seven hundred forty-nine thousand, one hundred fifteen".