9039491085 has 16 divisors (see below), whose sum is σ = 14661313344. Its totient is φ = 4755019392.

The previous prime is 9039491077. The next prime is 9039491143. The reversal of 9039491085 is 5801949309.

It is not a de Polignac number, because 9039491085 - 2³ = 9039491077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4126527 + ... + 4128716.

It is an arithmetic number, because the mean of its divisors is an integer number (916332084).

Almost surely, 2^9039491085 is an apocalyptic number.

It is an amenable number.

9039491085 is a deficient number, since it is larger than the sum of its proper divisors (5621822259).

9039491085 is a wasteful number, since it uses less digits than its factorization.

9039491085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255324.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 9039491085 is about 95076.2382775002. The cubic root of 9039491085 is about 2083.1217827359.

The spelling of 9039491085 in words is "nine billion, thirty-nine million, four hundred ninety-one thousand, eighty-five".