13453533450 has 288 divisors, whose sum is σ = 42874970112. Its totient is φ = 2959632000.

The previous prime is 13453533449. The next prime is 13453533461. The reversal of 13453533450 is 5433535431.

13453533450 is a `hidden beast` number, since 1 + 34 + 53 + 533 + 45 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 30368929 + ... + 30369371.

It is an arithmetic number, because the mean of its divisors is an integer number (148871424).

Almost surely, 2^13453533450 is an apocalyptic number.

13453533450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13453533450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21437485056).

13453533450 is an abundant number, since it is smaller than the sum of its proper divisors (29421436662).

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

13453533450 is a wasteful number, since it uses less digits than its factorization.

13453533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 13453533450 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, four hundred fifty".