194549993270 has 32 divisors (see below), whose sum is σ = 375576173280. Its totient is φ = 72333181440.

The previous prime is 194549993269. The next prime is 194549993293. The reversal of 194549993270 is 72399945491.

194549993270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9649811 + ... + 9669950.

It is an arithmetic number, because the mean of its divisors is an integer number (11736755415).

Almost surely, 2^194549993270 is an apocalyptic number.

194549993270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194549993270 is a deficient number, since it is larger than the sum of its proper divisors (181026180010).

194549993270 is a wasteful number, since it uses less digits than its factorization.

194549993270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19319840.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 194549993270 in words is "one hundred ninety-four billion, five hundred forty-nine million, nine hundred ninety-three thousand, two hundred seventy".