13530053451 has 4 divisors (see below), whose sum is σ = 18040071272. Its totient is φ = 9020035632.

The previous prime is 13530053437. The next prime is 13530053473. The reversal of 13530053451 is 15435003531.

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

It is not a de Polignac number, because 13530053451 - 2¹⁵ = 13530020683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530053491) 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, 2255008906 + ... + 2255008911.

It is an arithmetic number, because the mean of its divisors is an integer number (4510017818).

Almost surely, 2^13530053451 is an apocalyptic number.

13530053451 is a deficient number, since it is larger than the sum of its proper divisors (4510017821).

13530053451 is an equidigital number, since it uses as much as digits as its factorization.

13530053451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510017820.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 13530053451 its reverse (15435003531), we get a palindrome (28965056982).

The spelling of 13530053451 in words is "thirteen billion, five hundred thirty million, fifty-three thousand, four hundred fifty-one".