7209955338496 has 81 divisors (see below), whose sum is σ = 14470123100251. Its totient is φ = 3585451360256.

The previous prime is 7209955338461. The next prime is 7209955338497. The reversal of 7209955338496 is 6948335599027.

The square root of 7209955338496 is 2685136.

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

It can be written as a sum of positive squares in 4 ways, for example, as 984730736896 + 6225224601600 = 992336^2 + 2495040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7209955338497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11041278906 + ... + 11041279558.

Almost surely, 2^{7209955338496} is an apocalyptic number.

7209955338496 is the 2685136-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7209955338496

7209955338496 is an abundant number, since it is smaller than the sum of its proper divisors (7260167761755).

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

7209955338496 is an frugal number, since it uses more digits than its factorization.

7209955338496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 70.

The spelling of 7209955338496 in words is "seven trillion, two hundred nine billion, nine hundred fifty-five million, three hundred thirty-eight thousand, four hundred ninety-six".