989001221343103 has 4 divisors (see below), whose sum is σ = 989001375854080. Its totient is φ = 989001066832128.

The previous prime is 989001221343053. The next prime is 989001221343197. The reversal of 989001221343103 is 301343122100989.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 989001221343103 - 2⁹ = 989001221342591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989001221343203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67219650 + ... + 80600767.

It is an arithmetic number, because the mean of its divisors is an integer number (247250343963520).

Almost surely, 2^{989001221343103} is an apocalyptic number.

989001221343103 is a deficient number, since it is larger than the sum of its proper divisors (154510977).

989001221343103 is a wasteful number, since it uses less digits than its factorization.

989001221343103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154510976.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 989001221343103 in words is "nine hundred eighty-nine trillion, one billion, two hundred twenty-one million, three hundred forty-three thousand, one hundred three".