993853849856 has 72 divisors (see below), whose sum is σ = 2400595585920. Its totient is φ = 400882212864.

The previous prime is 993853849789. The next prime is 993853849939. The reversal of 993853849856 is 658948358399.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16281476 + ... + 16342403.

It is an arithmetic number, because the mean of its divisors is an integer number (33341605360).

Almost surely, 2^993853849856 is an apocalyptic number.

It is an amenable number.

993853849856 is an abundant number, since it is smaller than the sum of its proper divisors (1406741736064).

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

993853849856 is a wasteful number, since it uses less digits than its factorization.

993853849856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32623919 (or 32623905 counting only the distinct ones).

The product of its digits is 2015539200, while the sum is 77.

The spelling of 993853849856 in words is "nine hundred ninety-three billion, eight hundred fifty-three million, eight hundred forty-nine thousand, eight hundred fifty-six".