9481631065 has 8 divisors (see below), whose sum is σ = 11386325448. Its totient is φ = 7579726080.

The previous prime is 9481631059. The next prime is 9481631083. The reversal of 9481631065 is 5601361849.

It can be written as a sum of positive squares in 4 ways, for example, as 264095001 + 9217536064 = 16251^2 + 96008^2 .

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

It is not a de Polignac number, because 9481631065 - 2¹⁵ = 9481598297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689862 + ... + 703471.

It is an arithmetic number, because the mean of its divisors is an integer number (1423290681).

Almost surely, 2^9481631065 is an apocalyptic number.

It is an amenable number.

9481631065 is a deficient number, since it is larger than the sum of its proper divisors (1904694383).

9481631065 is a wasteful number, since it uses less digits than its factorization.

9481631065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394699.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 9481631065 is about 97373.6672052563. The cubic root of 9481631065 is about 2116.5458663226.

The spelling of 9481631065 in words is "nine billion, four hundred eighty-one million, six hundred thirty-one thousand, sixty-five".