2551184925589 has 4 divisors (see below), whose sum is σ = 2576444182380. Its totient is φ = 2525925668800.

The previous prime is 2551184925559. The next prime is 2551184925649. The reversal of 2551184925589 is 9855294811552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2349987823089 + 201197102500 = 1532967^2 + 448550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551184925589 - 2¹¹ = 2551184923541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551184925589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551184925559) 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 3 ways as a sum of consecutive naturals, for example, 12629628244 + ... + 12629628445.

It is an arithmetic number, because the mean of its divisors is an integer number (644111045595).

Almost surely, 2^{2551184925589} is an apocalyptic number.

It is an amenable number.

2551184925589 is a deficient number, since it is larger than the sum of its proper divisors (25259256791).

2551184925589 is a wasteful number, since it uses less digits than its factorization.

2551184925589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25259256790.

The product of its digits is 51840000, while the sum is 64.

The spelling of 2551184925589 in words is "two trillion, five hundred fifty-one billion, one hundred eighty-four million, nine hundred twenty-five thousand, five hundred eighty-nine".