193049019155 has 8 divisors (see below), whose sum is σ = 231746821632. Its totient is φ = 154380549568.

The previous prime is 193049019143. The next prime is 193049019161. The reversal of 193049019155 is 551910940391.

193049019155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 193049019155 - 2³⁰ = 191975277331 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 7318739 + ... + 7345068.

It is an arithmetic number, because the mean of its divisors is an integer number (28968352704).

Almost surely, 2^193049019155 is an apocalyptic number.

193049019155 is a deficient number, since it is larger than the sum of its proper divisors (38697802477).

193049019155 is a wasteful number, since it uses less digits than its factorization.

193049019155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14666445.

The product of its (nonzero) digits is 218700, while the sum is 47.

The spelling of 193049019155 in words is "one hundred ninety-three billion, forty-nine million, nineteen thousand, one hundred fifty-five".