126435663301653 has 12 divisors (see below), whose sum is σ = 183004300254048. Its totient is φ = 84117361208040.

The previous prime is 126435663301553. The next prime is 126435663301667. The reversal of 126435663301653 is 356103366534621.

126435663301653 is a `hidden beast` number, since 1 + 2 + 6 + 43 + 566 + 3 + 30 + 1 + 6 + 5 + 3 = 666.

It is not a de Polignac number, because 126435663301653 - 2¹² = 126435663297557 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126435663301653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126435663301153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14423411463 + ... + 14423420228.

It is an arithmetic number, because the mean of its divisors is an integer number (15250358354504).

Almost surely, 2^{126435663301653} is an apocalyptic number.

It is an amenable number.

126435663301653 is a deficient number, since it is larger than the sum of its proper divisors (56568636952395).

126435663301653 is a wasteful number, since it uses less digits than its factorization.

126435663301653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846832184 (or 28846832181 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 54.

The spelling of 126435663301653 in words is "one hundred twenty-six trillion, four hundred thirty-five billion, six hundred sixty-three million, three hundred one thousand, six hundred fifty-three".