994488899999 has 16 divisors (see below), whose sum is σ = 1142756873472. Its totient is φ = 847781987328.

The previous prime is 994488899941. The next prime is 994488900001. The reversal of 994488899999 is 999998884499.

It is a cyclic number.

It is not a de Polignac number, because 994488899999 - 2³⁶ = 925769423263 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994488859999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556127 + ... + 1515999.

It is an arithmetic number, because the mean of its divisors is an integer number (71422304592).

Almost surely, 2^994488899999 is an apocalyptic number.

994488899999 is a deficient number, since it is larger than the sum of its proper divisors (148267973473).

994488899999 is a wasteful number, since it uses less digits than its factorization.

994488899999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960686.

The product of its digits is 39182082048, while the sum is 95.

The spelling of 994488899999 in words is "nine hundred ninety-four billion, four hundred eighty-eight million, eight hundred ninety-nine thousand, nine hundred ninety-nine".