283494975843 has 16 divisors (see below), whose sum is σ = 378367452320. Its totient is φ = 188809657344.

The previous prime is 283494975839. The next prime is 283494975853. The reversal of 283494975843 is 348579494382.

It is not a de Polignac number, because 283494975843 - 2² = 283494975839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283494975853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19339905 + ... + 19354557.

It is an arithmetic number, because the mean of its divisors is an integer number (23647965770).

Almost surely, 2^283494975843 is an apocalyptic number.

283494975843 is a deficient number, since it is larger than the sum of its proper divisors (94872476477).

283494975843 is a wasteful number, since it uses less digits than its factorization.

283494975843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20598.

The product of its digits is 209018880, while the sum is 66.

The spelling of 283494975843 in words is "two hundred eighty-three billion, four hundred ninety-four million, nine hundred seventy-five thousand, eight hundred forty-three".