9281420880733 has 16 divisors (see below), whose sum is σ = 9392245125120. Its totient is φ = 9171202634496.

The previous prime is 9281420880727. The next prime is 9281420880749. The reversal of 9281420880733 is 3370880241829.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9281420880733 - 2¹³ = 9281420872541 is a prime.

It is a super-2 number, since 2×9281420880733² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9281420880793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155518623 + ... + 155578291.

It is an arithmetic number, because the mean of its divisors is an integer number (587015320320).

Almost surely, 2^{9281420880733} is an apocalyptic number.

It is an amenable number.

9281420880733 is a deficient number, since it is larger than the sum of its proper divisors (110824244387).

9281420880733 is a wasteful number, since it uses less digits than its factorization.

9281420880733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64716.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 9281420880733 in words is "nine trillion, two hundred eighty-one billion, four hundred twenty million, eight hundred eighty thousand, seven hundred thirty-three".