1016242808969 has 2 divisors, whose sum is σ = 1016242808970. Its totient is φ = 1016242808968.

The previous prime is 1016242808957. The next prime is 1016242809059. The reversal of 1016242808969 is 9698082426101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640939544569 + 375303264400 = 800587^2 + 612620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016242808969 - 2⁴ = 1016242808953 is a prime.

It is a super-2 number, since 2×1016242808969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1016242808909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508121404484 + 508121404485.

It is an arithmetic number, because the mean of its divisors is an integer number (508121404485).

Almost surely, 2^{1016242808969} is an apocalyptic number.

It is an amenable number.

1016242808969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016242808969 is an equidigital number, since it uses as much as digits as its factorization.

1016242808969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 1016242808969 in words is "one trillion, sixteen billion, two hundred forty-two million, eight hundred eight thousand, nine hundred sixty-nine".