993958938483 has 32 divisors (see below), whose sum is σ = 1580699114496. Its totient is φ = 543198488448.

The previous prime is 993958938457. The next prime is 993958938523. The reversal of 993958938483 is 384839859399.

It is not a de Polignac number, because 993958938483 - 2⁹ = 993958937971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993958938399 and 993958938408.

It is not an unprimeable number, because it can be changed into a prime (993958938683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3058741 + ... + 3368057.

It is an arithmetic number, because the mean of its divisors is an integer number (49396847328).

Almost surely, 2^993958938483 is an apocalyptic number.

993958938483 is a deficient number, since it is larger than the sum of its proper divisors (586740176013).

993958938483 is a wasteful number, since it uses less digits than its factorization.

993958938483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316003.

The product of its digits is 1813985280, while the sum is 78.

The spelling of 993958938483 in words is "nine hundred ninety-three billion, nine hundred fifty-eight million, nine hundred thirty-eight thousand, four hundred eighty-three".