994549945499 has 4 divisors (see below), whose sum is σ = 1084963576920. Its totient is φ = 904136314080.

The previous prime is 994549945409. The next prime is 994549945523.

994549945499 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994549945499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994549945409) 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, 45206815694 + ... + 45206815715.

It is an arithmetic number, because the mean of its divisors is an integer number (271240894230).

Almost surely, 2^994549945499 is an apocalyptic number.

994549945499 is a deficient number, since it is larger than the sum of its proper divisors (90413631421).

994549945499 is a wasteful number, since it uses less digits than its factorization.

994549945499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90413631420.

The product of its digits is 3401222400, while the sum is 80.

The spelling of 994549945499 in words is "nine hundred ninety-four billion, five hundred forty-nine million, nine hundred forty-five thousand, four hundred ninety-nine".