13553574898466 has 24 divisors (see below), whose sum is σ = 20526761483676. Its totient is φ = 6711674916960.

The previous prime is 13553574898463. The next prime is 13553574898471. The reversal of 13553574898466 is 66489847535531.

It can be written as a sum of positive squares in 2 ways, for example, as 13492802295025 + 60772603441 = 3673255^2 + 246521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13553574898393 and 13553574898402.

It is not an unprimeable number, because it can be changed into a prime (13553574898463) 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 11 ways as a sum of consecutive naturals, for example, 29365196 + ... + 29823176.

Almost surely, 2^{13553574898466} is an apocalyptic number.

13553574898466 is a deficient number, since it is larger than the sum of its proper divisors (6973186585210).

13553574898466 is an equidigital number, since it uses as much as digits as its factorization.

13553574898466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458754 (or 458447 counting only the distinct ones).

The product of its digits is 2612736000, while the sum is 74.

The spelling of 13553574898466 in words is "thirteen trillion, five hundred fifty-three billion, five hundred seventy-four million, eight hundred ninety-eight thousand, four hundred sixty-six".