194464082909 has 8 divisors (see below), whose sum is σ = 194648801760. Its totient is φ = 194279418256.

The previous prime is 194464082893. The next prime is 194464082929. The reversal of 194464082909 is 909280464491.

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 194464082909 - 2⁴ = 194464082893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194464082929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11575814 + ... + 11592600.

It is an arithmetic number, because the mean of its divisors is an integer number (24331100220).

Almost surely, 2^194464082909 is an apocalyptic number.

It is an amenable number.

194464082909 is a deficient number, since it is larger than the sum of its proper divisors (184718851).

194464082909 is a wasteful number, since it uses less digits than its factorization.

194464082909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27099.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 194464082909 in words is "one hundred ninety-four billion, four hundred sixty-four million, eighty-two thousand, nine hundred nine".