4527753661 has 4 divisors (see below), whose sum is σ = 4528141852. Its totient is φ = 4527365472.

The previous prime is 4527753653. The next prime is 4527753683. The reversal of 4527753661 is 1663577254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1663577254 = 2 ⋅831788627.

It can be written as a sum of positive squares in 2 ways, for example, as 1644708025 + 2883045636 = 40555^2 + 53694^2 .

It is a cyclic number.

It is not a de Polignac number, because 4527753661 - 2³ = 4527753653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4527753641) 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, 176040 + ... + 200113.

It is an arithmetic number, because the mean of its divisors is an integer number (1132035463).

Almost surely, 2^4527753661 is an apocalyptic number.

It is an amenable number.

4527753661 is a deficient number, since it is larger than the sum of its proper divisors (388191).

4527753661 is a wasteful number, since it uses less digits than its factorization.

4527753661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388190.

The product of its digits is 1058400, while the sum is 46.

The square root of 4527753661 is about 67288.5849234475. The cubic root of 4527753661 is about 1654.3507657531.

The spelling of 4527753661 in words is "four billion, five hundred twenty-seven million, seven hundred fifty-three thousand, six hundred sixty-one".