13443150442 has 4 divisors (see below), whose sum is σ = 20164725666. Its totient is φ = 6721575220.

The previous prime is 13443150431. The next prime is 13443150481. The reversal of 13443150442 is 24405134431.

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

It can be written as a sum of positive squares in only one way, i.e., 7296747241 + 6146403201 = 85421^2 + 78399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360787609 + ... + 3360787612.

Almost surely, 2^13443150442 is an apocalyptic number.

13443150442 is a deficient number, since it is larger than the sum of its proper divisors (6721575224).

13443150442 is an equidigital number, since it uses as much as digits as its factorization.

13443150442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721575223.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 13443150442 its reverse (24405134431), we get a palindrome (37848284873).

The spelling of 13443150442 in words is "thirteen billion, four hundred forty-three million, one hundred fifty thousand, four hundred forty-two".