194150294397 has 12 divisors (see below), whose sum is σ = 280616491584. Its totient is φ = 129351755400.

The previous prime is 194150294357. The next prime is 194150294407. The reversal of 194150294397 is 793492051491.

194150294397 is a `hidden beast` number, since 1 + 9 + 4 + 1 + 502 + 9 + 43 + 97 = 666.

194150294397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194150294397 - 2⁷ = 194150294269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194150294347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6799479 + ... + 6827972.

It is an arithmetic number, because the mean of its divisors is an integer number (23384707632).

Almost surely, 2^194150294397 is an apocalyptic number.

It is an amenable number.

194150294397 is a deficient number, since it is larger than the sum of its proper divisors (86466197187).

194150294397 is a wasteful number, since it uses less digits than its factorization.

194150294397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13629040 (or 13629037 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 194150294397 in words is "one hundred ninety-four billion, one hundred fifty million, two hundred ninety-four thousand, three hundred ninety-seven".