189643047401 has 8 divisors (see below), whose sum is σ = 201242439360. Its totient is φ = 178323158992.

The previous prime is 189643047301. The next prime is 189643047413. The reversal of 189643047401 is 104740346981.

189643047401 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 189643047401 - 2¹⁰ = 189643046377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189643047301) 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 7 ways as a sum of consecutive naturals, for example, 69874490 + ... + 69877203.

It is an arithmetic number, because the mean of its divisors is an integer number (25155304920).

Almost surely, 2^189643047401 is an apocalyptic number.

It is an amenable number.

189643047401 is a deficient number, since it is larger than the sum of its proper divisors (11599391959).

189643047401 is a wasteful number, since it uses less digits than its factorization.

189643047401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139751775.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 189643047401 in words is "one hundred eighty-nine billion, six hundred forty-three million, forty-seven thousand, four hundred one".