13453301021 has 4 divisors (see below), whose sum is σ = 13523737344. Its totient is φ = 13382864700.

The previous prime is 13453301003. The next prime is 13453301027. The reversal of 13453301021 is 12010335431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13453301021 - 2⁶ = 13453300957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453301027) 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, 35217875 + ... + 35218256.

It is an arithmetic number, because the mean of its divisors is an integer number (3380934336).

Almost surely, 2^13453301021 is an apocalyptic number.

It is an amenable number.

13453301021 is a deficient number, since it is larger than the sum of its proper divisors (70436323).

13453301021 is an equidigital number, since it uses as much as digits as its factorization.

13453301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70436322.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13453301021 its reverse (12010335431), we get a palindrome (25463636452).

The spelling of 13453301021 in words is "thirteen billion, four hundred fifty-three million, three hundred one thousand, twenty-one".