675571769 has 2 divisors, whose sum is σ = 675571770. Its totient is φ = 675571768.

The previous prime is 675571759. The next prime is 675571783. The reversal of 675571769 is 967175576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626851369 + 48720400 = 25037^2 + 6980^2 .

It is a cyclic number.

It is not a de Polignac number, because 675571769 - 2¹⁶ = 675506233 is a prime.

It is a super-2 number, since 2×675571769² = 912794430139578722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 675571769.

It is not a weakly prime, because it can be changed into another prime (675571759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337785884 + 337785885.

It is an arithmetic number, because the mean of its divisors is an integer number (337785885).

Almost surely, 2^675571769 is an apocalyptic number.

It is an amenable number.

675571769 is a deficient number, since it is larger than the sum of its proper divisors (1).

675571769 is an equidigital number, since it uses as much as digits as its factorization.

675571769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2778300, while the sum is 53.

The square root of 675571769 is about 25991.7634838423. The cubic root of 675571769 is about 877.4529349248.

The spelling of 675571769 in words is "six hundred seventy-five million, five hundred seventy-one thousand, seven hundred sixty-nine".