1384733502009 has 135 divisors (see below), whose sum is σ = 2393080808937. Its totient is φ = 771004634400.

The previous prime is 1384733501999. The next prime is 1384733502023. The reversal of 1384733502009 is 9002053374831.

The square root of 1384733502009 is 1176747.

It is a perfect power (a square), and thus also a powerful number.

1384733502009 is a `hidden beast` number, since 13 + 84 + 7 + 3 + 350 + 200 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 686572988409 + 698160513600 = 828597^2 + 835560^2 .

It is not a de Polignac number, because 1384733502009 - 2⁷ = 1384733501881 is a prime.

It is a super-2 number, since 2×1384733502009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1384733582009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 6562717914 + ... + 6562718124.

Almost surely, 2^{1384733502009} is an apocalyptic number.

1384733502009 is the 1176747-th square number.

1384733502009 is the 588374-th centered octagonal number.

It is an amenable number.

1384733502009 is a deficient number, since it is larger than the sum of its proper divisors (1008347306928).

1384733502009 is an frugal number, since it uses more digits than its factorization.

1384733502009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 1384733502009 in words is "one trillion, three hundred eighty-four billion, seven hundred thirty-three million, five hundred two thousand, nine".