283891489049 has 4 divisors (see below), whose sum is σ = 324447416064. Its totient is φ = 243335562036.

The previous prime is 283891489033. The next prime is 283891489073. The reversal of 283891489049 is 940984198382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 283891489049 - 2⁴ = 283891489033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (283891489549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20277963497 + ... + 20277963510.

It is an arithmetic number, because the mean of its divisors is an integer number (81111854016).

Almost surely, 2^283891489049 is an apocalyptic number.

It is an amenable number.

283891489049 is a deficient number, since it is larger than the sum of its proper divisors (40555927015).

283891489049 is an equidigital number, since it uses as much as digits as its factorization.

283891489049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40555927014.

The product of its (nonzero) digits is 35831808, while the sum is 65.

The spelling of 283891489049 in words is "two hundred eighty-three billion, eight hundred ninety-one million, four hundred eighty-nine thousand, forty-nine".