13550212043 has 4 divisors (see below), whose sum is σ = 13550638920. Its totient is φ = 13549785168.

The previous prime is 13550211991. The next prime is 13550212063. The reversal of 13550212043 is 34021205531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34021205531 = 1747 ⋅19474073.

It is a cyclic number.

It is not a de Polignac number, because 13550212043 - 2¹⁶ = 13550146507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13550212063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161633 + ... + 230706.

It is an arithmetic number, because the mean of its divisors is an integer number (3387659730).

Almost surely, 2^13550212043 is an apocalyptic number.

13550212043 is a deficient number, since it is larger than the sum of its proper divisors (426877).

13550212043 is an equidigital number, since it uses as much as digits as its factorization.

13550212043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426876.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13550212043 its reverse (34021205531), we get a palindrome (47571417574).

The spelling of 13550212043 in words is "thirteen billion, five hundred fifty million, two hundred twelve thousand, forty-three".