1282065893 has 2 divisors, whose sum is σ = 1282065894. Its totient is φ = 1282065892.

The previous prime is 1282065877. The next prime is 1282065899. The reversal of 1282065893 is 3985602821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828461089 + 453604804 = 28783^2 + 21298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282065893 - 2⁴ = 1282065877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282065899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641032946 + 641032947.

It is an arithmetic number, because the mean of its divisors is an integer number (641032947).

Almost surely, 2^1282065893 is an apocalyptic number.

It is an amenable number.

1282065893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282065893 is an equidigital number, since it uses as much as digits as its factorization.

1282065893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1282065893 is about 35805.9477321855. The cubic root of 1282065893 is about 1086.3508676957.

The spelling of 1282065893 in words is "one billion, two hundred eighty-two million, sixty-five thousand, eight hundred ninety-three".