4148198194 has 24 divisors (see below), whose sum is σ = 7240562028. Its totient is φ = 1777214880.

The previous prime is 4148198179. The next prime is 4148198221. The reversal of 4148198194 is 4918918414.

It can be written as a sum of positive squares in 2 ways, for example, as 3845612169 + 302586025 = 62013^2 + 17395^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 435604 + ... + 445024.

Almost surely, 2^4148198194 is an apocalyptic number.

4148198194 is a deficient number, since it is larger than the sum of its proper divisors (3092363834).

4148198194 is a wasteful number, since it uses less digits than its factorization.

4148198194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930 (or 13923 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 4148198194 is about 64406.5073886172. The cubic root of 4148198194 is about 1606.7679710825.

The spelling of 4148198194 in words is "four billion, one hundred forty-eight million, one hundred ninety-eight thousand, one hundred ninety-four".