609116444 has 12 divisors (see below), whose sum is σ = 1066383024. Its totient is φ = 304435584.

The previous prime is 609116437. The next prime is 609116449. The reversal of 609116444 is 444611906.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609116449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18992 + ... + 39735.

It is an arithmetic number, because the mean of its divisors is an integer number (88865252).

Almost surely, 2^609116444 is an apocalyptic number.

It is an amenable number.

609116444 is a deficient number, since it is larger than the sum of its proper divisors (457266580).

609116444 is a wasteful number, since it uses less digits than its factorization.

609116444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61324 (or 61322 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 609116444 is about 24680.2845202400. The cubic root of 609116444 is about 847.6829370468.

The spelling of 609116444 in words is "six hundred nine million, one hundred sixteen thousand, four hundred forty-four".