5025644065 has 8 divisors (see below), whose sum is σ = 6494678568. Its totient is φ = 3711244800.

The previous prime is 5025644033. The next prime is 5025644087. The reversal of 5025644065 is 5604465205.

It can be written as a sum of positive squares in 4 ways, for example, as 1056770064 + 3968874001 = 32508^2 + 62999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5025644065 - 2⁵ = 5025644033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38658736 + ... + 38658865.

It is an arithmetic number, because the mean of its divisors is an integer number (811834821).

Almost surely, 2^5025644065 is an apocalyptic number.

It is an amenable number.

5025644065 is a deficient number, since it is larger than the sum of its proper divisors (1469034503).

5025644065 is a wasteful number, since it uses less digits than its factorization.

5025644065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77317619.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 5025644065 is about 70891.7771324714. Note that the first 3 decimals coincide. The cubic root of 5025644065 is about 1712.8943453300.

The spelling of 5025644065 in words is "five billion, twenty-five million, six hundred forty-four thousand, sixty-five".