13451433505 has 32 divisors (see below), whose sum is σ = 17302450176. Its totient is φ = 10014696384.

The previous prime is 13451433503. The next prime is 13451433547. The reversal of 13451433505 is 50533415431.

It is a cyclic number.

It is not a de Polignac number, because 13451433505 - 2¹ = 13451433503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13451433503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1295364 + ... + 1305706.

It is an arithmetic number, because the mean of its divisors is an integer number (540701568).

Almost surely, 2^13451433505 is an apocalyptic number.

It is an amenable number.

13451433505 is a deficient number, since it is larger than the sum of its proper divisors (3851016671).

13451433505 is a wasteful number, since it uses less digits than its factorization.

13451433505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10677.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 13451433505 its reverse (50533415431), we get a palindrome (63984848936).

The spelling of 13451433505 in words is "thirteen billion, four hundred fifty-one million, four hundred thirty-three thousand, five hundred five".