4148394186 has 32 divisors (see below), whose sum is σ = 8505999936. Its totient is φ = 1347984000.

The previous prime is 4148394163. The next prime is 4148394191. The reversal of 4148394186 is 6814938414.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333621 + ... + 345831.

It is an arithmetic number, because the mean of its divisors is an integer number (265812498).

Almost surely, 2^4148394186 is an apocalyptic number.

4148394186 is an abundant number, since it is smaller than the sum of its proper divisors (4357605750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4148394186 is a wasteful number, since it uses less digits than its factorization.

4148394186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638.

The product of its digits is 663552, while the sum is 48.

The square root of 4148394186 is about 64408.0288939197. The cubic root of 4148394186 is about 1606.7932759413.

The spelling of 4148394186 in words is "four billion, one hundred forty-eight million, three hundred ninety-four thousand, one hundred eighty-six".