4243626809064 has 96 divisors (see below), whose sum is σ = 11811094331400. Its totient is φ = 1375631861760.

The previous prime is 4243626809033. The next prime is 4243626809077. The reversal of 4243626809064 is 4609086263424.

4243626809064 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 626 + 8 + 0 + 9 + 0 + 6 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 391663188900 + 3851963620164 = 625830^2 + 1962642^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4243626809064.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1372419 + ... + 3220370.

Almost surely, 2^{4243626809064} is an apocalyptic number.

It is an amenable number.

4243626809064 is an abundant number, since it is smaller than the sum of its proper divisors (7567467522336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243626809064 is a wasteful number, since it uses less digits than its factorization.

4243626809064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593155 (or 4593148 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 4243626809064 in words is "four trillion, two hundred forty-three billion, six hundred twenty-six million, eight hundred nine thousand, sixty-four".