1283486917369 has 2 divisors, whose sum is σ = 1283486917370. Its totient is φ = 1283486917368.

The previous prime is 1283486917351. The next prime is 1283486917411. The reversal of 1283486917369 is 9637196843821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830261748969 + 453225168400 = 911187^2 + 673220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283486917369 - 2⁵ = 1283486917337 is a prime.

It is a super-2 number, since 2×1283486917369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1283486917309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641743458684 + 641743458685.

It is an arithmetic number, because the mean of its divisors is an integer number (641743458685).

Almost surely, 2^{1283486917369} is an apocalyptic number.

It is an amenable number.

1283486917369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283486917369 is an equidigital number, since it uses as much as digits as its factorization.

1283486917369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 67.

The spelling of 1283486917369 in words is "one trillion, two hundred eighty-three billion, four hundred eighty-six million, nine hundred seventeen thousand, three hundred sixty-nine".