1282879369 has 2 divisors, whose sum is σ = 1282879370. Its totient is φ = 1282879368.

The previous prime is 1282879337. The next prime is 1282879397. The reversal of 1282879369 is 9639782821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221852025 + 61027344 = 34955^2 + 7812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282879369 - 2⁵ = 1282879337 is a prime.

It is a super-2 number, since 2×1282879369² = 3291558950811676322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1282879309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641439684 + 641439685.

It is an arithmetic number, because the mean of its divisors is an integer number (641439685).

Almost surely, 2^1282879369 is an apocalyptic number.

It is an amenable number.

1282879369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282879369 is an equidigital number, since it uses as much as digits as its factorization.

1282879369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 1282879369 is about 35817.3054402477. The cubic root of 1282879369 is about 1086.5805837920.

The spelling of 1282879369 in words is "one billion, two hundred eighty-two million, eight hundred seventy-nine thousand, three hundred sixty-nine".