9288085012421 has 4 divisors (see below), whose sum is σ = 9349595509344. Its totient is φ = 9226574515500.

The previous prime is 9288085012337. The next prime is 9288085012441. The reversal of 9288085012421 is 1242105808829.

9288085012421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9288085012421 - 2¹⁰ = 9288085011397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9288085012421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9288085012441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30755248235 + ... + 30755248536.

It is an arithmetic number, because the mean of its divisors is an integer number (2337398877336).

Almost surely, 2^{9288085012421} is an apocalyptic number.

It is an amenable number.

9288085012421 is a deficient number, since it is larger than the sum of its proper divisors (61510496923).

9288085012421 is a wasteful number, since it uses less digits than its factorization.

9288085012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61510496922.

The product of its (nonzero) digits is 737280, while the sum is 50.

The spelling of 9288085012421 in words is "nine trillion, two hundred eighty-eight billion, eighty-five million, twelve thousand, four hundred twenty-one".