9002721266 has 16 divisors (see below), whose sum is σ = 16836258240. Its totient is φ = 3507553680.

The previous prime is 9002721241. The next prime is 9002721269. The reversal of 9002721266 is 6621272009.

It is not an unprimeable number, because it can be changed into a prime (9002721269) 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, 29229461 + ... + 29229768.

It is an arithmetic number, because the mean of its divisors is an integer number (1052266140).

Almost surely, 2^9002721266 is an apocalyptic number.

9002721266 is a deficient number, since it is larger than the sum of its proper divisors (7833536974).

9002721266 is a wasteful number, since it uses less digits than its factorization.

9002721266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58459249.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 9002721266 is about 94882.6710522000. The cubic root of 9002721266 is about 2080.2934486436.

The spelling of 9002721266 in words is "nine billion, two million, seven hundred twenty-one thousand, two hundred sixty-six".