994162558859 has 4 divisors (see below), whose sum is σ = 994278181200. Its totient is φ = 994046936520.

The previous prime is 994162558777. The next prime is 994162558861. The reversal of 994162558859 is 958855261499.

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-994162558859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994162558792 and 994162558801.

It is not an unprimeable number, because it can be changed into a prime (994162558159) 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 3 ways as a sum of consecutive naturals, for example, 57798272 + ... + 57815469.

It is an arithmetic number, because the mean of its divisors is an integer number (248569545300).

Almost surely, 2^994162558859 is an apocalyptic number.

994162558859 is a deficient number, since it is larger than the sum of its proper divisors (115622341).

994162558859 is a wasteful number, since it uses less digits than its factorization.

994162558859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115622340.

The product of its digits is 279936000, while the sum is 71.

The spelling of 994162558859 in words is "nine hundred ninety-four billion, one hundred sixty-two million, five hundred fifty-eight thousand, eight hundred fifty-nine".