5643518725 has 12 divisors (see below), whose sum is σ = 7536268516. Its totient is φ = 4167521280.

The previous prime is 5643518701. The next prime is 5643518737. The reversal of 5643518725 is 5278153465.

5643518725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 13417569 + 5630101156 = 3663^2 + 75034^2 .

It is not a de Polignac number, because 5643518725 - 2¹¹ = 5643516677 is a prime.

It is a super-4 number, since 4×5643518725⁴ (a number of 40 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8682012 + ... + 8682661.

Almost surely, 2^5643518725 is an apocalyptic number.

It is an amenable number.

5643518725 is a deficient number, since it is larger than the sum of its proper divisors (1892749791).

5643518725 is a wasteful number, since it uses less digits than its factorization.

5643518725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17364696 (or 17364691 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 5643518725 is about 75123.3567207962. The cubic root of 5643518725 is about 1780.3961922660.

The spelling of 5643518725 in words is "five billion, six hundred forty-three million, five hundred eighteen thousand, seven hundred twenty-five".