13533530203 has 2 divisors, whose sum is σ = 13533530204. Its totient is φ = 13533530202.

The previous prime is 13533530183. The next prime is 13533530243. The reversal of 13533530203 is 30203533531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13533530203 - 2²¹ = 13531433051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13533530243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766765101 + 6766765102.

It is an arithmetic number, because the mean of its divisors is an integer number (6766765102).

Almost surely, 2^13533530203 is an apocalyptic number.

13533530203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13533530203 is an equidigital number, since it uses as much as digits as its factorization.

13533530203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 28.

The spelling of 13533530203 in words is "thirteen billion, five hundred thirty-three million, five hundred thirty thousand, two hundred three".