1283343469 has 2 divisors, whose sum is σ = 1283343470. Its totient is φ = 1283343468.

The previous prime is 1283343403. The next prime is 1283343539. The reversal of 1283343469 is 9643433821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1255780969 + 27562500 = 35437^2 + 5250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283343469 is a prime.

It is a super-2 number, since 2×1283343469² = 3293940918849907922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283343169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641671734 + 641671735.

It is an arithmetic number, because the mean of its divisors is an integer number (641671735).

Almost surely, 2^1283343469 is an apocalyptic number.

It is an amenable number.

1283343469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283343469 is an equidigital number, since it uses as much as digits as its factorization.

1283343469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 1283343469 is about 35823.7835662287. The cubic root of 1283343469 is about 1086.7115966949.

The spelling of 1283343469 in words is "one billion, two hundred eighty-three million, three hundred forty-three thousand, four hundred sixty-nine".