9043248999421 has 72 divisors (see below), whose sum is σ = 11566946581344. Its totient is φ = 7044784306560.

The previous prime is 9043248999419. The next prime is 9043248999431. The reversal of 9043248999421 is 1249998423409.

It is not a de Polignac number, because 9043248999421 - 2¹ = 9043248999419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9043248999431) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1964640106 + ... + 1964644708.

It is an arithmetic number, because the mean of its divisors is an integer number (160652035852).

Almost surely, 2^{9043248999421} is an apocalyptic number.

9043248999421 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9043248999421 is a deficient number, since it is larger than the sum of its proper divisors (2523697581923).

9043248999421 is a wasteful number, since it uses less digits than its factorization.

9043248999421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251 (or 8231 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 9043248999421 in words is "nine trillion, forty-three billion, two hundred forty-eight million, nine hundred ninety-nine thousand, four hundred twenty-one".