989447045370 has 64 divisors (see below), whose sum is σ = 2720547613440. Its totient is φ = 225606348288.

The previous prime is 989447045347. The next prime is 989447045407. The reversal of 989447045370 is 73540744989.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5674077 + ... + 5845856.

It is an arithmetic number, because the mean of its divisors is an integer number (42508556460).

Almost surely, 2^989447045370 is an apocalyptic number.

989447045370 is an abundant number, since it is smaller than the sum of its proper divisors (1731100568070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989447045370 is a wasteful number, since it uses less digits than its factorization.

989447045370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520359.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 989447045370 in words is "nine hundred eighty-nine billion, four hundred forty-seven million, forty-five thousand, three hundred seventy".