189219553047 has 48 divisors (see below), whose sum is σ = 328828151808. Its totient is φ = 102509003520.

The previous prime is 189219553007. The next prime is 189219553079. The reversal of 189219553047 is 740355912981.

It is a happy number.

189219553047 is a `hidden beast` number, since 1 + 8 + 92 + 19 + 5 + 530 + 4 + 7 = 666.

It is not a de Polignac number, because 189219553047 - 2¹¹ = 189219550999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189219552984 and 189219553002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189219553007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414079 + ... + 741552.

It is an arithmetic number, because the mean of its divisors is an integer number (6850586496).

Almost surely, 2^189219553047 is an apocalyptic number.

189219553047 is a deficient number, since it is larger than the sum of its proper divisors (139608598761).

189219553047 is a wasteful number, since it uses less digits than its factorization.

189219553047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155780 (or 1155777 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 189219553047 in words is "one hundred eighty-nine billion, two hundred nineteen million, five hundred fifty-three thousand, forty-seven".