994989824649492 has 96 divisors (see below), whose sum is σ = 2957245299348480. Its totient is φ = 253478168501760.

The previous prime is 994989824649437. The next prime is 994989824649529. The reversal of 994989824649492 is 294946428989499.

It is a self number, because there is not a number n which added to its sum of digits gives 994989824649492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18336067234 + ... + 18336121497.

It is an arithmetic number, because the mean of its divisors is an integer number (30804638534880).

Almost surely, 2^{994989824649492} is an apocalyptic number.

It is an amenable number.

994989824649492 is an abundant number, since it is smaller than the sum of its proper divisors (1962255474698988).

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

994989824649492 is a wasteful number, since it uses less digits than its factorization.

994989824649492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36672188781 (or 36672188779 counting only the distinct ones).

The product of its digits is 208971104256, while the sum is 96.

The spelling of 994989824649492 in words is "nine hundred ninety-four trillion, nine hundred eighty-nine billion, eight hundred twenty-four million, six hundred forty-nine thousand, four hundred ninety-two".