994345543499 has 8 divisors (see below), whose sum is σ = 1239703534848. Its totient is φ = 774814709160.

The previous prime is 994345543441. The next prime is 994345543501.

994345543499 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994345543499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994345543699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6456789167 + ... + 6456789320.

It is an arithmetic number, because the mean of its divisors is an integer number (154962941856).

Almost surely, 2^994345543499 is an apocalyptic number.

994345543499 is a deficient number, since it is larger than the sum of its proper divisors (245357991349).

994345543499 is a wasteful number, since it uses less digits than its factorization.

994345543499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913578505.

The product of its digits is 377913600, while the sum is 68.

The spelling of 994345543499 in words is "nine hundred ninety-four billion, three hundred forty-five million, five hundred forty-three thousand, four hundred ninety-nine".