675609469 has 4 divisors (see below), whose sum is σ = 679342300. Its totient is φ = 671876640.

The previous prime is 675609463. The next prime is 675609481. The reversal of 675609469 is 964906576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 371525625 + 304083844 = 19275^2 + 17438^2 .

It is a cyclic number.

It is not a de Polignac number, because 675609469 - 2⁵ = 675609437 is a prime.

It is a super-2 number, since 2×675609469² = 912896309204923922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675609463) 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 in 3 ways as a sum of consecutive naturals, for example, 1866144 + ... + 1866505.

It is an arithmetic number, because the mean of its divisors is an integer number (169835575).

Almost surely, 2^675609469 is an apocalyptic number.

It is an amenable number.

675609469 is a deficient number, since it is larger than the sum of its proper divisors (3732831).

675609469 is a wasteful number, since it uses less digits than its factorization.

675609469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732830.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The square root of 675609469 is about 25992.4887034697. The cubic root of 675609469 is about 877.4692565859.

The spelling of 675609469 in words is "six hundred seventy-five million, six hundred nine thousand, four hundred sixty-nine".