609494944 has 12 divisors (see below), whose sum is σ = 1199943234. Its totient is φ = 304747456.

The previous prime is 609494933. The next prime is 609494947. The reversal of 609494944 is 449494906.

It can be written as a sum of positive squares in only one way, i.e., 346406544 + 263088400 = 18612^2 + 16220^2 .

It is not an unprimeable number, because it can be changed into a prime (609494947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9523327 + ... + 9523390.

Almost surely, 2^609494944 is an apocalyptic number.

It is an amenable number.

609494944 is a deficient number, since it is larger than the sum of its proper divisors (590448290).

609494944 is a wasteful number, since it uses less digits than its factorization.

609494944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19046727 (or 19046719 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 609494944 is about 24687.9513933417. The cubic root of 609494944 is about 847.8584817834.

The spelling of 609494944 in words is "six hundred nine million, four hundred ninety-four thousand, nine hundred forty-four".