13433330505 has 64 divisors (see below), whose sum is σ = 26458122240. Its totient is φ = 5682410496.

The previous prime is 13433330501. The next prime is 13433330531. The reversal of 13433330505 is 50503333431.

It is not a de Polignac number, because 13433330505 - 2² = 13433330501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13433330501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7489 + ... + 164081.

It is an arithmetic number, because the mean of its divisors is an integer number (413408160).

Almost surely, 2^13433330505 is an apocalyptic number.

13433330505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13433330505 is a deficient number, since it is larger than the sum of its proper divisors (13024791735).

13433330505 is a wasteful number, since it uses less digits than its factorization.

13433330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156670.

The product of its (nonzero) digits is 24300, while the sum is 30.

Adding to 13433330505 its reverse (50503333431), we get a palindrome (63936663936).

The spelling of 13433330505 in words is "thirteen billion, four hundred thirty-three million, three hundred thirty thousand, five hundred five".