194032347649 has 8 divisors (see below), whose sum is σ = 221948726720. Its totient is φ = 166165336656.

The previous prime is 194032347631. The next prime is 194032347671. The reversal of 194032347649 is 946743230491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194032347649 - 2⁹ = 194032347137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194032347596 and 194032347605.

It is not an unprimeable number, because it can be changed into a prime (194032347149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12333594 + ... + 12349315.

It is an arithmetic number, because the mean of its divisors is an integer number (27743590840).

Almost surely, 2^194032347649 is an apocalyptic number.

It is an amenable number.

194032347649 is a deficient number, since it is larger than the sum of its proper divisors (27916379071).

194032347649 is a wasteful number, since it uses less digits than its factorization.

194032347649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24684039.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 194032347649 in words is "one hundred ninety-four billion, thirty-two million, three hundred forty-seven thousand, six hundred forty-nine".