7465993365609 has 9 divisors (see below), whose sum is σ = 10784224479613. Its totient is φ = 4977323445612.

The previous prime is 7465993365563. The next prime is 7465993365629. The reversal of 7465993365609 is 9065633995647.

The square root of 7465993365609 is 2732397.

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

7465993365609 is a `hidden beast` number, since 7 + 4 + 6 + 5 + 9 + 9 + 3 + 3 + 6 + 5 + 609 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 7465993365609 - 2¹¹ = 7465993363561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7465993365629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7741792 + ... + 8652590.

Almost surely, 2^{7465993365609} is an apocalyptic number.

7465993365609 is the 2732397-th square number.

7465993365609 is the 1366199-th centered octagonal number.

It is an amenable number.

7465993365609 is a deficient number, since it is larger than the sum of its proper divisors (3318231114004).

7465993365609 is an frugal number, since it uses more digits than its factorization.

7465993365609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821604 (or 910802 counting only the distinct ones).

The product of its (nonzero) digits is 992023200, while the sum is 72.

The spelling of 7465993365609 in words is "seven trillion, four hundred sixty-five billion, nine hundred ninety-three million, three hundred sixty-five thousand, six hundred nine".