994563409284 has 81 divisors (see below), whose sum is σ = 2526575887927. Its totient is φ = 329875627728.

The previous prime is 994563409253. The next prime is 994563409327. The reversal of 994563409284 is 482904365499.

The square root of 994563409284 is 997278.

It is a perfect power (a square), and thus also a powerful number.

994563409284 is a `hidden beast` number, since 9 + 9 + 4 + 5 + 6 + 340 + 9 + 284 = 666.

It is a super-2 number, since 2×994563409284² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2076332557 + ... + 2076333035.

Almost surely, 2^994563409284 is an apocalyptic number.

994563409284 is the 997278-th square number.

It is an amenable number.

994563409284 is an abundant number, since it is smaller than the sum of its proper divisors (1532012478643).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994563409284 is an equidigital number, since it uses as much as digits as its factorization.

994563409284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 994563409284 in words is "nine hundred ninety-four billion, five hundred sixty-three million, four hundred nine thousand, two hundred eighty-four".