13443512254153 has 4 divisors (see below), whose sum is σ = 13444258594948. Its totient is φ = 13442765913360.

The previous prime is 13443512254141. The next prime is 13443512254169. The reversal of 13443512254153 is 35145221534431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12209908855824 + 1233603398329 = 3494268^2 + 1110677^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443512254153 - 2²¹ = 13443510157001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443512254253) 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, 373143378 + ... + 373179403.

It is an arithmetic number, because the mean of its divisors is an integer number (3361064648737).

Almost surely, 2^{13443512254153} is an apocalyptic number.

It is an amenable number.

13443512254153 is a deficient number, since it is larger than the sum of its proper divisors (746340795).

13443512254153 is an equidigital number, since it uses as much as digits as its factorization.

13443512254153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746340794.

The product of its digits is 864000, while the sum is 43.

Adding to 13443512254153 its reverse (35145221534431), we get a palindrome (48588733788584).

The spelling of 13443512254153 in words is "thirteen trillion, four hundred forty-three billion, five hundred twelve million, two hundred fifty-four thousand, one hundred fifty-three".