194841128045464 has 64 divisors (see below), whose sum is σ = 376796267785440. Its totient is φ = 94415868518400.

The previous prime is 194841128045437. The next prime is 194841128045483. The reversal of 194841128045464 is 464540821148491.

194841128045464 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9481372 + ... + 21899284.

Almost surely, 2^{194841128045464} is an apocalyptic number.

It is an amenable number.

194841128045464 is a deficient number, since it is larger than the sum of its proper divisors (181955139739976).

194841128045464 is a wasteful number, since it uses less digits than its factorization.

194841128045464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418460 (or 12418456 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 194841128045464 in words is "one hundred ninety-four trillion, eight hundred forty-one billion, one hundred twenty-eight million, forty-five thousand, four hundred sixty-four".