4054352661 has 12 divisors (see below), whose sum is σ = 6200774892. Its totient is φ = 2543907456.

The previous prime is 4054352647. The next prime is 4054352683. The reversal of 4054352661 is 1662534504.

4054352661 is a `hidden beast` number, since 4 + 0 + 543 + 52 + 6 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1537424100 + 2516928561 = 39210^2 + 50169^2 .

It is not a de Polignac number, because 4054352661 - 2⁶ = 4054352597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054352261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13249366 + ... + 13249671.

It is an arithmetic number, because the mean of its divisors is an integer number (516731241).

Almost surely, 2^4054352661 is an apocalyptic number.

It is an amenable number.

4054352661 is a deficient number, since it is larger than the sum of its proper divisors (2146422231).

4054352661 is a wasteful number, since it uses less digits than its factorization.

4054352661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26499060 (or 26499057 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 4054352661 is about 63673.7988579290. The cubic root of 4054352661 is about 1594.5586854383.

The spelling of 4054352661 in words is "four billion, fifty-four million, three hundred fifty-two thousand, six hundred sixty-one".