193047442547 has 4 divisors (see below), whose sum is σ = 203207834280. Its totient is φ = 182887050816.

The previous prime is 193047442519. The next prime is 193047442559. The reversal of 193047442547 is 745244740391.

193047442547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 193047442547 - 2¹⁴ = 193047426163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193047442495 and 193047442504.

It is not an unprimeable number, because it can be changed into a prime (193047442447) 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 in 3 ways as a sum of consecutive naturals, for example, 5080195838 + ... + 5080195875.

It is an arithmetic number, because the mean of its divisors is an integer number (50801958570).

Almost surely, 2^193047442547 is an apocalyptic number.

193047442547 is a deficient number, since it is larger than the sum of its proper divisors (10160391733).

193047442547 is a wasteful number, since it uses less digits than its factorization.

193047442547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160391732.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 193047442547 in words is "one hundred ninety-three billion, forty-seven million, four hundred forty-two thousand, five hundred forty-seven".