993739339889822 has 4 divisors (see below), whose sum is σ = 1490609009834736. Its totient is φ = 496869669944910.

The previous prime is 993739339889743. The next prime is 993739339889941. The reversal of 993739339889822 is 228988933937399.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248434834972454 + ... + 248434834972457.

It is an arithmetic number, because the mean of its divisors is an integer number (372652252458684).

Almost surely, 2^{993739339889822} is an apocalyptic number.

993739339889822 is a deficient number, since it is larger than the sum of its proper divisors (496869669944914).

993739339889822 is a wasteful number, since it uses less digits than its factorization.

993739339889822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496869669944913.

The product of its digits is 68568643584, while the sum is 92.

The spelling of 993739339889822 in words is "nine hundred ninety-three trillion, seven hundred thirty-nine billion, three hundred thirty-nine million, eight hundred eighty-nine thousand, eight hundred twenty-two".