1283028529969 has 2 divisors, whose sum is σ = 1283028529970. Its totient is φ = 1283028529968.

The previous prime is 1283028529933. The next prime is 1283028530033. The reversal of 1283028529969 is 9699258203821.

It is an a-pointer prime, because the next prime (1283028530033) can be obtained adding 1283028529969 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1218621703744 + 64406826225 = 1103912^2 + 253785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283028529969 - 2⁹ = 1283028529457 is a prime.

It is a super-2 number, since 2×1283028529969² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1283028529969.

It is not a weakly prime, because it can be changed into another prime (1283028529469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641514264984 + 641514264985.

It is an arithmetic number, because the mean of its divisors is an integer number (641514264985).

Almost surely, 2^{1283028529969} is an apocalyptic number.

It is an amenable number.

1283028529969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283028529969 is an equidigital number, since it uses as much as digits as its factorization.

1283028529969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 1283028529969 in words is "one trillion, two hundred eighty-three billion, twenty-eight million, five hundred twenty-nine thousand, nine hundred sixty-nine".