609089644 has 6 divisors (see below), whose sum is σ = 1065906884. Its totient is φ = 304544820.

The previous prime is 609089629. The next prime is 609089653. The reversal of 609089644 is 446980906.

609089644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 609089594 and 609089603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76136202 + ... + 76136209.

Almost surely, 2^609089644 is an apocalyptic number.

It is an amenable number.

609089644 is a deficient number, since it is larger than the sum of its proper divisors (456817240).

609089644 is a wasteful number, since it uses less digits than its factorization.

609089644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152272415 (or 152272413 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 609089644 is about 24679.7415707701. The cubic root of 609089644 is about 847.6705047026.

The spelling of 609089644 in words is "six hundred nine million, eighty-nine thousand, six hundred forty-four".