13321434435 has 32 divisors (see below), whose sum is σ = 21844613952. Its totient is φ = 6928158720.

The previous prime is 13321434383. The next prime is 13321434439. The reversal of 13321434435 is 53443412331.

It is not a de Polignac number, because 13321434435 - 2⁷ = 13321434307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13321434396 and 13321434405.

It is not an unprimeable number, because it can be changed into a prime (13321434439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777917 + ... + 1785393.

It is an arithmetic number, because the mean of its divisors is an integer number (682644186).

Almost surely, 2^13321434435 is an apocalyptic number.

13321434435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13321434435 is a deficient number, since it is larger than the sum of its proper divisors (8523179517).

13321434435 is a wasteful number, since it uses less digits than its factorization.

13321434435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423.

The product of its digits is 51840, while the sum is 33.

Adding to 13321434435 its reverse (53443412331), we get a palindrome (66764846766).

The spelling of 13321434435 in words is "thirteen billion, three hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty-five".