13583216403 has 16 divisors (see below), whose sum is σ = 20150766240. Its totient is φ = 9043110432.

The previous prime is 13583216377. The next prime is 13583216429. The reversal of 13583216403 is 30461238531.

13583216403 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 3 + 2 + 1 + 640 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (13583216377) and next prime (13583216429).

It is not a de Polignac number, because 13583216403 - 2¹³ = 13583208211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13583216453) 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, 323376 + ... + 362957.

It is an arithmetic number, because the mean of its divisors is an integer number (1259422890).

Almost surely, 2^13583216403 is an apocalyptic number.

13583216403 is a deficient number, since it is larger than the sum of its proper divisors (6567549837).

13583216403 is an equidigital number, since it uses as much as digits as its factorization.

13583216403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687075 (or 687069 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 13583216403 in words is "thirteen billion, five hundred eighty-three million, two hundred sixteen thousand, four hundred three".