4525648669 has 4 divisors (see below), whose sum is σ = 4556022300. Its totient is φ = 4495275040.

The previous prime is 4525648667. The next prime is 4525648681. The reversal of 4525648669 is 9668465254.

4525648669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 969076900 + 3556571769 = 31130^2 + 59637^2 .

It is a cyclic number.

It is not a de Polignac number, because 4525648669 - 2¹ = 4525648667 is a prime.

It is a super-2 number, since 2×4525648669² = 40962991750442943122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4525648661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15186592 + ... + 15186889.

It is an arithmetic number, because the mean of its divisors is an integer number (1139005575).

Almost surely, 2^4525648669 is an apocalyptic number.

It is an amenable number.

4525648669 is a deficient number, since it is larger than the sum of its proper divisors (30373631).

4525648669 is a wasteful number, since it uses less digits than its factorization.

4525648669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30373630.

The product of its digits is 12441600, while the sum is 55.

The square root of 4525648669 is about 67272.9415812925. The cubic root of 4525648669 is about 1654.0943519997.

The spelling of 4525648669 in words is "four billion, five hundred twenty-five million, six hundred forty-eight thousand, six hundred sixty-nine".