13214021443 has 12 divisors (see below), whose sum is σ = 16275614472. Its totient is φ = 10660050240.

The previous prime is 13214021423. The next prime is 13214021449. The reversal of 13214021443 is 34412041231.

It is a de Polignac number, because none of the positive numbers 2^k-13214021443 is a prime.

It is a super-2 number, since 2×13214021443² (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 (13214021449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7930753 + ... + 7932418.

It is an arithmetic number, because the mean of its divisors is an integer number (1356301206).

Almost surely, 2^13214021443 is an apocalyptic number.

13214021443 is a deficient number, since it is larger than the sum of its proper divisors (3061593029).

13214021443 is a wasteful number, since it uses less digits than its factorization.

13214021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15863202 (or 15863195 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13214021443 its reverse (34412041231), we get a palindrome (47626062674).

The spelling of 13214021443 in words is "thirteen billion, two hundred fourteen million, twenty-one thousand, four hundred forty-three".