1040569469 has 2 divisors, whose sum is σ = 1040569470. Its totient is φ = 1040569468.

The previous prime is 1040569441. The next prime is 1040569477. The reversal of 1040569469 is 9649650401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1034394244 + 6175225 = 32162^2 + 2485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040569469 - 2¹² = 1040565373 is a prime.

It is a super-2 number, since 2×1040569469² = 2165569639629883922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040569069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520284734 + 520284735.

It is an arithmetic number, because the mean of its divisors is an integer number (520284735).

Almost surely, 2^1040569469 is an apocalyptic number.

It is an amenable number.

1040569469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040569469 is an equidigital number, since it uses as much as digits as its factorization.

1040569469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1040569469 is about 32257.8590269100. The cubic root of 1040569469 is about 1013.3442940753.

The spelling of 1040569469 in words is "one billion, forty million, five hundred sixty-nine thousand, four hundred sixty-nine".