1609969821304 has 16 divisors (see below), whose sum is σ = 3250900600920. Its totient is φ = 743062994400.

The previous prime is 1609969821283. The next prime is 1609969821389. The reversal of 1609969821304 is 4031289699061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7740239422 + ... + 7740239629.

Almost surely, 2^{1609969821304} is an apocalyptic number.

It is an amenable number.

1609969821304 is an abundant number, since it is smaller than the sum of its proper divisors (1640930779616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1609969821304 is a wasteful number, since it uses less digits than its factorization.

1609969821304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480479070 (or 15480479066 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 1609969821304 in words is "one trillion, six hundred nine billion, nine hundred sixty-nine million, eight hundred twenty-one thousand, three hundred four".