9011439361 has 4 divisors (see below), whose sum is σ = 9076270000. Its totient is φ = 8946608724.

The previous prime is 9011439347. The next prime is 9011439379. The reversal of 9011439361 is 1639341109.

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 9011439361 - 2⁵ = 9011439329 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 9011439361.

It is not an unprimeable number, because it can be changed into a prime (9011439061) 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, 32415111 + ... + 32415388.

It is an arithmetic number, because the mean of its divisors is an integer number (2269067500).

Almost surely, 2^9011439361 is an apocalyptic number.

It is an amenable number.

9011439361 is a deficient number, since it is larger than the sum of its proper divisors (64830639).

9011439361 is a wasteful number, since it uses less digits than its factorization.

9011439361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64830638.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9011439361 is about 94928.6013854623. The cubic root of 9011439361 is about 2080.9647399216.

The spelling of 9011439361 in words is "nine billion, eleven million, four hundred thirty-nine thousand, three hundred sixty-one".