9049085405 has 8 divisors (see below), whose sum is σ = 10966416984. Its totient is φ = 7167592000.

The previous prime is 9049085401. The next prime is 9049085467. The reversal of 9049085405 is 5045809409.

It can be written as a sum of positive squares in 4 ways, for example, as 2979740569 + 6069344836 = 54587^2 + 77906^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9049085405 - 2² = 9049085401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049085401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958986 + ... + 8959995.

It is an arithmetic number, because the mean of its divisors is an integer number (1370802123).

Almost surely, 2^9049085405 is an apocalyptic number.

It is an amenable number.

9049085405 is a deficient number, since it is larger than the sum of its proper divisors (1917331579).

9049085405 is a wasteful number, since it uses less digits than its factorization.

9049085405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17919087.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 9049085405 is about 95126.6808261489. The cubic root of 9049085405 is about 2083.8585155899.

The spelling of 9049085405 in words is "nine billion, forty-nine million, eighty-five thousand, four hundred five".