13213143433 has 4 divisors (see below), whose sum is σ = 15100735360. Its totient is φ = 11325551508.

The previous prime is 13213143409. The next prime is 13213143439. The reversal of 13213143433 is 33434131231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33434131231 = 787 ⋅42483013.

It is a cyclic number.

It is not a de Polignac number, because 13213143433 - 2⁵ = 13213143401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213143439) 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 3 ways as a sum of consecutive naturals, for example, 943795953 + ... + 943795966.

It is an arithmetic number, because the mean of its divisors is an integer number (3775183840).

Almost surely, 2^13213143433 is an apocalyptic number.

It is an amenable number.

13213143433 is a deficient number, since it is larger than the sum of its proper divisors (1887591927).

13213143433 is an equidigital number, since it uses as much as digits as its factorization.

13213143433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887591926.

The product of its digits is 7776, while the sum is 28.

Adding to 13213143433 its reverse (33434131231), we get a palindrome (46647274664).

The spelling of 13213143433 in words is "thirteen billion, two hundred thirteen million, one hundred forty-three thousand, four hundred thirty-three".