199411984305 has 48 divisors (see below), whose sum is σ = 375576215040. Its totient is φ = 97505337600.

The previous prime is 199411984297. The next prime is 199411984333. The reversal of 199411984305 is 503489114991.

It is a happy number.

199411984305 is a `hidden beast` number, since 1 + 9 + 94 + 119 + 8 + 430 + 5 = 666.

It is not a de Polignac number, because 199411984305 - 2³ = 199411984297 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3735276 + ... + 3788285.

It is an arithmetic number, because the mean of its divisors is an integer number (7824504480).

Almost surely, 2^199411984305 is an apocalyptic number.

199411984305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199411984305 is a deficient number, since it is larger than the sum of its proper divisors (176164230735).

199411984305 is a wasteful number, since it uses less digits than its factorization.

199411984305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523622 (or 7523619 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 199411984305 in words is "one hundred ninety-nine billion, four hundred eleven million, nine hundred eighty-four thousand, three hundred five".