9000369021 has 16 divisors (see below), whose sum is σ = 13716320384. Its totient is φ = 5142515904.

The previous prime is 9000368981. The next prime is 9000369047. The reversal of 9000369021 is 1209630009.

It is not a de Polignac number, because 9000369021 - 2¹⁷ = 9000237949 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 9000369021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000369421) 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, 255915 + ... + 288951.

It is an arithmetic number, because the mean of its divisors is an integer number (857270024).

Almost surely, 2^9000369021 is an apocalyptic number.

It is an amenable number.

9000369021 is a deficient number, since it is larger than the sum of its proper divisors (4715951363).

9000369021 is a wasteful number, since it uses less digits than its factorization.

9000369021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46020.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9000369021 is about 94870.2746965560. The cubic root of 9000369021 is about 2080.1122520934.

The spelling of 9000369021 in words is "nine billion, three hundred sixty-nine thousand, twenty-one".