90543449306 has 8 divisors (see below), whose sum is σ = 138117126240. Its totient is φ = 44504407228.

The previous prime is 90543449257. The next prime is 90543449329. The reversal of 90543449306 is 60394434509.

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 383658566 + ... + 383658801.

It is an arithmetic number, because the mean of its divisors is an integer number (17264640780).

Almost surely, 2^90543449306 is an apocalyptic number.

90543449306 is a deficient number, since it is larger than the sum of its proper divisors (47573676934).

90543449306 is a wasteful number, since it uses less digits than its factorization.

90543449306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767317428.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 90543449306 in words is "ninety billion, five hundred forty-three million, four hundred forty-nine thousand, three hundred six".