13434101243 has 4 divisors (see below), whose sum is σ = 13434502008. Its totient is φ = 13433700480.

The previous prime is 13434101189. The next prime is 13434101249. The reversal of 13434101243 is 34210143431.

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: 34210143431 = 59447 ⋅575473.

It is a cyclic number.

It is not a de Polignac number, because 13434101243 - 2¹² = 13434097147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13434101249) 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, 144998 + ... + 218843.

It is an arithmetic number, because the mean of its divisors is an integer number (3358625502).

Almost surely, 2^13434101243 is an apocalyptic number.

13434101243 is a deficient number, since it is larger than the sum of its proper divisors (400765).

13434101243 is an equidigital number, since it uses as much as digits as its factorization.

13434101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400764.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13434101243 its reverse (34210143431), we get a palindrome (47644244674).

The spelling of 13434101243 in words is "thirteen billion, four hundred thirty-four million, one hundred one thousand, two hundred forty-three".