993493928043 has 32 divisors (see below), whose sum is σ = 1474304716800. Its totient is φ = 661222191168.

The previous prime is 993493928041. The next prime is 993493928047. The reversal of 993493928043 is 340829394399.

993493928043 is a `hidden beast` number, since 9 + 9 + 349 + 3 + 9 + 280 + 4 + 3 = 666.

993493928043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 993493928043 - 2¹ = 993493928041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (993493928041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57809830 + ... + 57827012.

It is an arithmetic number, because the mean of its divisors is an integer number (46072022400).

Almost surely, 2^993493928043 is an apocalyptic number.

993493928043 is a deficient number, since it is larger than the sum of its proper divisors (480810788757).

993493928043 is a wasteful number, since it uses less digits than its factorization.

993493928043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648 (or 20642 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 993493928043 in words is "nine hundred ninety-three billion, four hundred ninety-three million, nine hundred twenty-eight thousand, forty-three".