13533430051 has 4 divisors (see below), whose sum is σ = 13539402072. Its totient is φ = 13527458032.

The previous prime is 13533429901. The next prime is 13533430073. The reversal of 13533430051 is 15003433531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13533430051 - 2¹¹ = 13533428003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13533400051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982610 + ... + 2987143.

It is an arithmetic number, because the mean of its divisors is an integer number (3384850518).

Almost surely, 2^13533430051 is an apocalyptic number.

13533430051 is a deficient number, since it is larger than the sum of its proper divisors (5972021).

13533430051 is an equidigital number, since it uses as much as digits as its factorization.

13533430051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972020.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 13533430051 its reverse (15003433531), we get a palindrome (28536863582).

The spelling of 13533430051 in words is "thirteen billion, five hundred thirty-three million, four hundred thirty thousand, fifty-one".