5654066805 has 36 divisors (see below), whose sum is σ = 10410810852. Its totient is φ = 2838113280.

The previous prime is 5654066783. The next prime is 5654066827. The reversal of 5654066805 is 5086604565.

It is a happy number.

5654066805 is a `hidden beast` number, since 565 + 4 + 0 + 6 + 6 + 80 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (5654066783) and next prime (5654066827).

It can be written as a sum of positive squares in 6 ways, for example, as 12404484 + 5641662321 = 3522^2 + 75111^2 .

It is not a de Polignac number, because 5654066805 - 2²⁰ = 5653018229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 204376 + ... + 230385.

Almost surely, 2^5654066805 is an apocalyptic number.

It is an amenable number.

5654066805 is a deficient number, since it is larger than the sum of its proper divisors (4756744047).

5654066805 is a wasteful number, since it uses less digits than its factorization.

5654066805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434806 (or 434786 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 5654066805 is about 75193.5290101482. The cubic root of 5654066805 is about 1781.5047248644.

The spelling of 5654066805 in words is "five billion, six hundred fifty-four million, sixty-six thousand, eight hundred five".