13443043222450 has 48 divisors (see below), whose sum is σ = 25587595208736. Its totient is φ = 5251745923200.

The previous prime is 13443043222447. The next prime is 13443043222471. The reversal of 13443043222450 is 5422234034431.

It is a happy number.

It is a super-2 number, since 2×13443043222450² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27364689 + ... + 27851611.

It is an arithmetic number, because the mean of its divisors is an integer number (533074900182).

Almost surely, 2^{13443043222450} is an apocalyptic number.

13443043222450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13443043222450 is a deficient number, since it is larger than the sum of its proper divisors (12144551986286).

13443043222450 is a wasteful number, since it uses less digits than its factorization.

13443043222450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499819 (or 499814 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 13443043222450 its reverse (5422234034431), we get a palindrome (18865277256881).

The spelling of 13443043222450 in words is "thirteen trillion, four hundred forty-three billion, forty-three million, two hundred twenty-two thousand, four hundred fifty".