13452154321 has 4 divisors (see below), whose sum is σ = 13456270144. Its totient is φ = 13448038500.

The previous prime is 13452154301. The next prime is 13452154363. The reversal of 13452154321 is 12345125431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12345125431 = 51383 ⋅240257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13452154321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13452154301) 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, 2053005 + ... + 2059546.

It is an arithmetic number, because the mean of its divisors is an integer number (3364067536).

Almost surely, 2^13452154321 is an apocalyptic number.

It is an amenable number.

13452154321 is a deficient number, since it is larger than the sum of its proper divisors (4115823).

13452154321 is an equidigital number, since it uses as much as digits as its factorization.

13452154321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115822.

The product of its digits is 14400, while the sum is 31.

Adding to 13452154321 its reverse (12345125431), we get a palindrome (25797279752).

The spelling of 13452154321 in words is "thirteen billion, four hundred fifty-two million, one hundred fifty-four thousand, three hundred twenty-one".