9189035921020 has 24 divisors (see below), whose sum is σ = 19302400653984. Its totient is φ = 3674580993216.

The previous prime is 9189035920963. The next prime is 9189035921029. The reversal of 9189035921020 is 201295309819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9189035921029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64513032 + ... + 64655311.

It is an arithmetic number, because the mean of its divisors is an integer number (804266693916).

Almost surely, 2^{9189035921020} is an apocalyptic number.

It is an amenable number.

9189035921020 is an abundant number, since it is smaller than the sum of its proper divisors (10113364732964).

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

9189035921020 is a wasteful number, since it uses less digits than its factorization.

9189035921020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129171909 (or 129171907 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 9189035921020 in words is "nine trillion, one hundred eighty-nine billion, thirty-five million, nine hundred twenty-one thousand, twenty".