4053660641 has 4 divisors (see below), whose sum is σ = 4066448532. Its totient is φ = 4040872752.

The previous prime is 4053660619. The next prime is 4053660643. The reversal of 4053660641 is 1460663504.

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 756030016 + 3297630625 = 27496^2 + 57425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4053660641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4053660643) 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, 6393470 + ... + 6394103.

It is an arithmetic number, because the mean of its divisors is an integer number (1016612133).

Almost surely, 2^4053660641 is an apocalyptic number.

It is an amenable number.

4053660641 is a deficient number, since it is larger than the sum of its proper divisors (12787891).

4053660641 is a wasteful number, since it uses less digits than its factorization.

4053660641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787890.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 4053660641 is about 63668.3645227361. The cubic root of 4053660641 is about 1594.4679574905.

The spelling of 4053660641 in words is "four billion, fifty-three million, six hundred sixty thousand, six hundred forty-one".