6623253645453 has 24 divisors (see below), whose sum is σ = 9674463839040. Its totient is φ = 4365997816320.

The previous prime is 6623253645433. The next prime is 6623253645457. The reversal of 6623253645453 is 3545463523266.

6623253645453 is a `hidden beast` number, since 6 + 6 + 2 + 3 + 2 + 536 + 4 + 54 + 53 = 666.

It is not a de Polignac number, because 6623253645453 - 2¹² = 6623253641357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6623253645453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623253645457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4810068 + ... + 6031853.

It is an arithmetic number, because the mean of its divisors is an integer number (403102659960).

Almost surely, 2^{6623253645453} is an apocalyptic number.

It is an amenable number.

6623253645453 is a deficient number, since it is larger than the sum of its proper divisors (3051210193587).

6623253645453 is a wasteful number, since it uses less digits than its factorization.

6623253645453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842689 (or 10842686 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 54.

The spelling of 6623253645453 in words is "six trillion, six hundred twenty-three billion, two hundred fifty-three million, six hundred forty-five thousand, four hundred fifty-three".