1282641049 has 2 divisors, whose sum is σ = 1282641050. Its totient is φ = 1282641048.

The previous prime is 1282640963. The next prime is 1282641053. The reversal of 1282641049 is 9401462821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199375424 + 83265625 = 34632^2 + 9125^2 .

It is an emirp because it is prime and its reverse (9401462821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1282641049 - 2²¹ = 1280543897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1282640999 and 1282641017.

It is not a weakly prime, because it can be changed into another prime (1282641649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641320524 + 641320525.

It is an arithmetic number, because the mean of its divisors is an integer number (641320525).

Almost surely, 2^1282641049 is an apocalyptic number.

It is an amenable number.

1282641049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282641049 is an equidigital number, since it uses as much as digits as its factorization.

1282641049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1282641049 is about 35813.9784022943. The cubic root of 1282641049 is about 1086.5132950746.

The spelling of 1282641049 in words is "one billion, two hundred eighty-two million, six hundred forty-one thousand, forty-nine".