993738283 has 2 divisors, whose sum is σ = 993738284. Its totient is φ = 993738282.

The previous prime is 993738271. The next prime is 993738307. The reversal of 993738283 is 382837399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993738283 - 2¹³ = 993730091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 993738283.

It is not a weakly prime, because it can be changed into another prime (993738203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496869141 + 496869142.

It is an arithmetic number, because the mean of its divisors is an integer number (496869142).

Almost surely, 2^993738283 is an apocalyptic number.

993738283 is a deficient number, since it is larger than the sum of its proper divisors (1).

993738283 is an equidigital number, since it uses as much as digits as its factorization.

993738283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 993738283 is about 31523.6146880398. The cubic root of 993738283 is about 997.9083892145.

The spelling of 993738283 in words is "nine hundred ninety-three million, seven hundred thirty-eight thousand, two hundred eighty-three".