13644575003 has 8 divisors (see below), whose sum is σ = 14452571088. Its totient is φ = 12837176064.

The previous prime is 13644574973. The next prime is 13644575017. The reversal of 13644575003 is 30057544631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13644575003 - 2¹⁶ = 13644509467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13644575303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101801 + ... + 194042.

It is an arithmetic number, because the mean of its divisors is an integer number (1806571386).

Almost surely, 2^13644575003 is an apocalyptic number.

13644575003 is a deficient number, since it is larger than the sum of its proper divisors (807996085).

13644575003 is a wasteful number, since it uses less digits than its factorization.

13644575003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298573.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 13644575003 in words is "thirteen billion, six hundred forty-four million, five hundred seventy-five thousand, three".