189674329045 has 16 divisors (see below), whose sum is σ = 238972095360. Its totient is φ = 144320387904.

The previous prime is 189674329021. The next prime is 189674329079. The reversal of 189674329045 is 540923476981.

189674329045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 189674329045 - 2¹¹ = 189674326997 is a prime.

It is a super-2 number, since 2×189674329045² (a number of 23 digits) contains 22 as substring.

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, 9752217 + ... + 9771646.

It is an arithmetic number, because the mean of its divisors is an integer number (14935755960).

It is a 1-persistent number, because it is pandigital, but 2⋅189674329045 = 379348658090 is not.

Almost surely, 2^189674329045 is an apocalyptic number.

It is an amenable number.

189674329045 is a deficient number, since it is larger than the sum of its proper divisors (49297766315).

189674329045 is a wasteful number, since it uses less digits than its factorization.

189674329045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19523964.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 189674329045 in words is "one hundred eighty-nine billion, six hundred seventy-four million, three hundred twenty-nine thousand, forty-five".