994451065 has 8 divisors (see below), whose sum is σ = 1194196680. Its totient is φ = 794990592.

The previous prime is 994451039. The next prime is 994451113. The reversal of 994451065 is 560154499.

It can be written as a sum of positive squares in 4 ways, for example, as 184041 + 994267024 = 429^2 + 31532^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 994451065 - 2⁵ = 994451033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63534 + ... + 77623.

It is an arithmetic number, because the mean of its divisors is an integer number (149274585).

Almost surely, 2^994451065 is an apocalyptic number.

It is an amenable number.

994451065 is a deficient number, since it is larger than the sum of its proper divisors (199745615).

994451065 is a wasteful number, since it uses less digits than its factorization.

994451065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142571.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 994451065 is about 31534.9181860363. The cubic root of 994451065 is about 998.1469232276.

It can be divided in two parts, 9944 and 51065, that added together give a square (61009 = 247²).

The spelling of 994451065 in words is "nine hundred ninety-four million, four hundred fifty-one thousand, sixty-five".