194914053693 has 12 divisors (see below), whose sum is σ = 281547811740. Its totient is φ = 129940261056.

The previous prime is 194914053613. The next prime is 194914053709. The reversal of 194914053693 is 396350419491.

It is a happy number.

194914053693 is a `hidden beast` number, since 1 + 9 + 4 + 9 + 14 + 0 + 536 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37988738649 + 156925315044 = 194907^2 + 396138^2 .

It is not a de Polignac number, because 194914053693 - 2⁸ = 194914053437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194914053613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394755 + ... + 738687.

It is an arithmetic number, because the mean of its divisors is an integer number (23462317645).

Almost surely, 2^194914053693 is an apocalyptic number.

It is an amenable number.

194914053693 is a deficient number, since it is larger than the sum of its proper divisors (86633758047).

194914053693 is a wasteful number, since it uses less digits than its factorization.

194914053693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406908 (or 406905 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 194914053693 in words is "one hundred ninety-four billion, nine hundred fourteen million, fifty-three thousand, six hundred ninety-three".