4243062655665 has 48 divisors (see below), whose sum is σ = 7566923866320. Its totient is φ = 2198131292160.

The previous prime is 4243062655561. The next prime is 4243062655669. The reversal of 4243062655665 is 5665562603424.

4243062655665 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 0 + 6 + 26 + 556 + 65 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 451003578624 + 3792059077041 = 671568^2 + 1947321^2 .

It is not a de Polignac number, because 4243062655665 - 2⁸ = 4243062655409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4243062655669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4598812 + ... + 5443821.

It is an arithmetic number, because the mean of its divisors is an integer number (157644247215).

Almost surely, 2^{4243062655665} is an apocalyptic number.

4243062655665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4243062655665 is a deficient number, since it is larger than the sum of its proper divisors (3323861210655).

4243062655665 is a wasteful number, since it uses less digits than its factorization.

4243062655665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042914 (or 10042911 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 54.

The spelling of 4243062655665 in words is "four trillion, two hundred forty-three billion, sixty-two million, six hundred fifty-five thousand, six hundred sixty-five".