13505433434 has 16 divisors (see below), whose sum is σ = 22251516480. Its totient is φ = 6119166240.

The previous prime is 13505433413. The next prime is 13505433443. The reversal of 13505433434 is 43433450531.

It is a junction number, because it is equal to n+sod(n) for n = 13505433394 and 13505433403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7725347 + ... + 7727094.

It is an arithmetic number, because the mean of its divisors is an integer number (1390719780).

Almost surely, 2^13505433434 is an apocalyptic number.

13505433434 is a deficient number, since it is larger than the sum of its proper divisors (8746083046).

13505433434 is a wasteful number, since it uses less digits than its factorization.

13505433434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452485.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 13505433434 its reverse (43433450531), we get a palindrome (56938883965).

The spelling of 13505433434 in words is "thirteen billion, five hundred five million, four hundred thirty-three thousand, four hundred thirty-four".