13644535453002 has 32 divisors (see below), whose sum is σ = 30589519023360. Its totient is φ = 4507929115200.

The previous prime is 13644535453001. The next prime is 13644535453049. The reversal of 13644535453002 is 20035453544631.

13644535453002 is a `hidden beast` number, since 1 + 3 + 6 + 44 + 535 + 45 + 30 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (13644535453001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118031874 + ... + 1118044077.

It is an arithmetic number, because the mean of its divisors is an integer number (955922469480).

Almost surely, 2^{13644535453002} is an apocalyptic number.

13644535453002 is an abundant number, since it is smaller than the sum of its proper divisors (16944983570358).

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

13644535453002 is a wasteful number, since it uses less digits than its factorization.

13644535453002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236076075 (or 2236076069 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 13644535453002 its reverse (20035453544631), we get a palindrome (33679988997633).

The spelling of 13644535453002 in words is "thirteen trillion, six hundred forty-four billion, five hundred thirty-five million, four hundred fifty-three thousand, two".