189385068236446 has 8 divisors (see below), whose sum is σ = 284078728025064. Its totient is φ = 94692158894760.

The previous prime is 189385068236443. The next prime is 189385068236449. The reversal of 189385068236446 is 644632860583981.

It is an interprime number because it is at equal distance from previous prime (189385068236443) and next prime (189385068236449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189385068236443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186980400 + ... + 187990531.

It is an arithmetic number, because the mean of its divisors is an integer number (35509841003133).

Almost surely, 2^{189385068236446} is an apocalyptic number.

189385068236446 is a deficient number, since it is larger than the sum of its proper divisors (94693659788618).

189385068236446 is a wasteful number, since it uses less digits than its factorization.

189385068236446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375223466.

The product of its (nonzero) digits is 1433272320, while the sum is 73.

The spelling of 189385068236446 in words is "one hundred eighty-nine trillion, three hundred eighty-five billion, sixty-eight million, two hundred thirty-six thousand, four hundred forty-six".