556673609 has 8 divisors (see below), whose sum is σ = 588408480. Its totient is φ = 525182400.

The previous prime is 556673597. The next prime is 556673633. The reversal of 556673609 is 906376655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556673609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556673659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56207 + ... + 65364.

It is an arithmetic number, because the mean of its divisors is an integer number (73551060).

Almost surely, 2^556673609 is an apocalyptic number.

It is an amenable number.

556673609 is a deficient number, since it is larger than the sum of its proper divisors (31734871).

556673609 is a wasteful number, since it uses less digits than its factorization.

556673609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121831.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The square root of 556673609 is about 23593.9316138705. The cubic root of 556673609 is about 822.6217932928.

The spelling of 556673609 in words is "five hundred fifty-six million, six hundred seventy-three thousand, six hundred nine".