994559999999 has 8 divisors (see below), whose sum is σ = 996172289568. Its totient is φ = 992947943520.

The previous prime is 994559999989. The next prime is 994560000001. The reversal of 994559999999 is 999999955499.

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 994559999999 - 2⁸ = 994559999743 is a prime.

It is a Duffinian number.

994559999999 is a modest number, since divided by 999999 gives 994559 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994559999959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9833909 + ... + 9934529.

It is an arithmetic number, because the mean of its divisors is an integer number (124521536196).

Almost surely, 2^994559999999 is an apocalyptic number.

994559999999 is a deficient number, since it is larger than the sum of its proper divisors (1612289569).

994559999999 is a wasteful number, since it uses less digits than its factorization.

994559999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116545.

The product of its digits is 38742048900, while the sum is 95.

The spelling of 994559999999 in words is "nine hundred ninety-four billion, five hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".