7328320025569 has 3 divisors (see below), whose sum is σ = 7328322732657. Its totient is φ = 7328317318482.

The previous prime is 7328320025539. The next prime is 7328320025629. The reversal of 7328320025569 is 9655200238237.

It is a happy number.

The square root of 7328320025569 is 2707087.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 7328320025569 - 2⁷ = 7328320025441 is a prime.

It is a super-2 number, since 2×7328320025569² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7328320025539) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1353544 + ... + 4060630.

It is an arithmetic number, because the mean of its divisors is an integer number (2442774244219).

Almost surely, 2^{7328320025569} is an apocalyptic number.

7328320025569 is the 2707087-th square number.

7328320025569 is the 1353544-th centered octagonal number.

It is an amenable number.

7328320025569 is a deficient number, since it is larger than the sum of its proper divisors (2707088).

7328320025569 is an frugal number, since it uses more digits than its factorization.

7328320025569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414174 (or 2707087 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 7328320025569 in words is "seven trillion, three hundred twenty-eight billion, three hundred twenty million, twenty-five thousand, five hundred sixty-nine".