609209675 has 12 divisors (see below), whose sum is σ = 779789376. Its totient is φ = 471645600.

The previous prime is 609209669. The next prime is 609209683. The reversal of 609209675 is 576902906.

It is not a de Polignac number, because 609209675 - 2¹² = 609205579 is a prime.

It is a super-2 number, since 2×609209675² = 742272856227211250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392264 + ... + 393813.

It is an arithmetic number, because the mean of its divisors is an integer number (64982448).

Almost surely, 2^609209675 is an apocalyptic number.

609209675 is a deficient number, since it is larger than the sum of its proper divisors (170579701).

609209675 is a wasteful number, since it uses less digits than its factorization.

609209675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786118 (or 786113 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 609209675 is about 24682.1732227938. The cubic root of 609209675 is about 847.7261834555.

The spelling of 609209675 in words is "six hundred nine million, two hundred nine thousand, six hundred seventy-five".