13051968233 has 4 divisors (see below), whose sum is σ = 13055027028. Its totient is φ = 13048909440.

The previous prime is 13051968221. The next prime is 13051968247. The reversal of 13051968233 is 33286915031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6592952809 + 6459015424 = 81197^2 + 80368^2 .

It is a cyclic number.

It is not a de Polignac number, because 13051968233 - 2⁶ = 13051968169 is a prime.

It is a super-2 number, since 2×13051968233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13051968283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1522988 + ... + 1531533.

It is an arithmetic number, because the mean of its divisors is an integer number (3263756757).

Almost surely, 2^13051968233 is an apocalyptic number.

It is an amenable number.

13051968233 is a deficient number, since it is larger than the sum of its proper divisors (3058795).

13051968233 is an equidigital number, since it uses as much as digits as its factorization.

13051968233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058794.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 13051968233 in words is "thirteen billion, fifty-one million, nine hundred sixty-eight thousand, two hundred thirty-three".