1283450469 has 16 divisors (see below), whose sum is σ = 1965667968. Its totient is φ = 729675072.

The previous prime is 1283450453. The next prime is 1283450471. The reversal of 1283450469 is 9640543821.

It is not a de Polignac number, because 1283450469 - 2⁴ = 1283450453 is a prime.

It is a super-3 number, since 3×1283450469³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283450469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283450869) 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 15 ways as a sum of consecutive naturals, for example, 150982 + ... + 159255.

It is an arithmetic number, because the mean of its divisors is an integer number (122854248).

Almost surely, 2^1283450469 is an apocalyptic number.

It is an amenable number.

1283450469 is a deficient number, since it is larger than the sum of its proper divisors (682217499).

1283450469 is a wasteful number, since it uses less digits than its factorization.

1283450469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310444.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1283450469 is about 35825.2769563614. The cubic root of 1283450469 is about 1086.7417977315.

The spelling of 1283450469 in words is "one billion, two hundred eighty-three million, four hundred fifty thousand, four hundred sixty-nine".