994503743 has 4 divisors (see below), whose sum is σ = 994665048. Its totient is φ = 994342440.

The previous prime is 994503721. The next prime is 994503761. The reversal of 994503743 is 347305499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347305499 = 293 ⋅1185343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994503743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994503694 and 994503703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994503443) 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 in 3 ways as a sum of consecutive naturals, for example, 71021 + ... + 83862.

It is an arithmetic number, because the mean of its divisors is an integer number (248666262).

Almost surely, 2^994503743 is an apocalyptic number.

994503743 is a deficient number, since it is larger than the sum of its proper divisors (161305).

994503743 is a wasteful number, since it uses less digits than its factorization.

994503743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161304.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 994503743 is about 31535.7534078385. The cubic root of 994503743 is about 998.1645475086.

The spelling of 994503743 in words is "nine hundred ninety-four million, five hundred three thousand, seven hundred forty-three".