194404549628 has 6 divisors (see below), whose sum is σ = 340207961856. Its totient is φ = 97202274812.

The previous prime is 194404549627. The next prime is 194404549639. The reversal of 194404549628 is 826945404491.

It is a happy number.

194404549628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194404549627) 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 as a sum of consecutive naturals, namely, 24300568700 + ... + 24300568707.

It is an arithmetic number, because the mean of its divisors is an integer number (56701326976).

Almost surely, 2^194404549628 is an apocalyptic number.

It is an amenable number.

194404549628 is a deficient number, since it is larger than the sum of its proper divisors (145803412228).

194404549628 is a wasteful number, since it uses less digits than its factorization.

194404549628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48601137411 (or 48601137409 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 194404549628 in words is "one hundred ninety-four billion, four hundred four million, five hundred forty-nine thousand, six hundred twenty-eight".