194851388214 has 40 divisors (see below), whose sum is σ = 498984510288. Its totient is φ = 55671824880.

The previous prime is 194851388213. The next prime is 194851388257. The reversal of 194851388214 is 412883158491.

194851388214 is a `hidden beast` number, since 1 + 9 + 48 + 5 + 1 + 388 + 214 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194851388213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85912177 + ... + 85914444.

Almost surely, 2^194851388214 is an apocalyptic number.

194851388214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

194851388214 is an abundant number, since it is smaller than the sum of its proper divisors (304133122074).

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

194851388214 is a wasteful number, since it uses less digits than its factorization.

194851388214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171826642 (or 171826633 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The spelling of 194851388214 in words is "one hundred ninety-four billion, eight hundred fifty-one million, three hundred eighty-eight thousand, two hundred fourteen".