8994953665 has 8 divisors (see below), whose sum is σ = 10794748968. Its totient is φ = 7195426560.

The previous prime is 8994953659. The next prime is 8994953687. The reversal of 8994953665 is 5663594998.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 8994815281 = 372^2 + 94841^2 .

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

It is not a de Polignac number, because 8994953665 - 2⁷ = 8994953537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8994953597 and 8994953606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16119 + ... + 135091.

It is an arithmetic number, because the mean of its divisors is an integer number (1349343621).

Almost surely, 2^8994953665 is an apocalyptic number.

It is an amenable number.

8994953665 is a deficient number, since it is larger than the sum of its proper divisors (1799795303).

8994953665 is a wasteful number, since it uses less digits than its factorization.

8994953665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134099.

The product of its digits is 62985600, while the sum is 64.

The square root of 8994953665 is about 94841.7295550856. The cubic root of 8994953665 is about 2079.6949800046.

The spelling of 8994953665 in words is "eight billion, nine hundred ninety-four million, nine hundred fifty-three thousand, six hundred sixty-five".