5654565456545 has 4 divisors (see below), whose sum is σ = 6785478547860. Its totient is φ = 4523652365232.

The previous prime is 5654565456493. The next prime is 5654565456569. The reversal of 5654565456545 is 5456545654565.

It is a happy number.

5654565456545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 1507868570209 + 4146696886336 = 1227953^2 + 2036344^2 .

It is a cyclic number.

It is not a de Polignac number, because 5654565456545 - 2¹⁰ = 5654565455521 is a prime.

It is a super-2 number, since 2×5654565456545² (a number of 26 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565456545650 + ... + 565456545659.

It is an arithmetic number, because the mean of its divisors is an integer number (1696369636965).

Almost surely, 2^{5654565456545} is an apocalyptic number.

It is an amenable number.

5654565456545 is a deficient number, since it is larger than the sum of its proper divisors (1130913091315).

5654565456545 is a wasteful number, since it uses less digits than its factorization.

5654565456545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130913091314.

The product of its digits is 1080000000, while the sum is 65.

The spelling of 5654565456545 in words is "five trillion, six hundred fifty-four billion, five hundred sixty-five million, four hundred fifty-six thousand, five hundred forty-five".