194549464911 has 8 divisors (see below), whose sum is σ = 259445293744. Its totient is φ = 129676639680.

The previous prime is 194549464883. The next prime is 194549464933. The reversal of 194549464911 is 119464945491.

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

It is not a de Polignac number, because 194549464911 - 2⁶ = 194549464847 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 (194544464911) 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, 5731156 + ... + 5765001.

It is an arithmetic number, because the mean of its divisors is an integer number (32430661718).

Almost surely, 2^194549464911 is an apocalyptic number.

194549464911 is a deficient number, since it is larger than the sum of its proper divisors (64895828833).

194549464911 is a wasteful number, since it uses less digits than its factorization.

194549464911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501801.

The product of its digits is 5598720, while the sum is 57.

The spelling of 194549464911 in words is "one hundred ninety-four billion, five hundred forty-nine million, four hundred sixty-four thousand, nine hundred eleven".