13453154421 has 32 divisors (see below), whose sum is σ = 21598448640. Its totient is φ = 7276345344.

The previous prime is 13453154339. The next prime is 13453154443. The reversal of 13453154421 is 12445135431.

It is not a de Polignac number, because 13453154421 - 2¹⁰ = 13453153397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453554421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445426 + ... + 474668.

It is an arithmetic number, because the mean of its divisors is an integer number (674951520).

Almost surely, 2^13453154421 is an apocalyptic number.

It is an amenable number.

13453154421 is a deficient number, since it is larger than the sum of its proper divisors (8145294219).

13453154421 is a wasteful number, since it uses less digits than its factorization.

13453154421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30425.

The product of its digits is 28800, while the sum is 33.

Adding to 13453154421 its reverse (12445135431), we get a palindrome (25898289852).

The spelling of 13453154421 in words is "thirteen billion, four hundred fifty-three million, one hundred fifty-four thousand, four hundred twenty-one".