14443421002 has 4 divisors (see below), whose sum is σ = 21665131506. Its totient is φ = 7221710500.

The previous prime is 14443420991. The next prime is 14443421009. The reversal of 14443421002 is 20012434441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20012434441 = 809 ⋅24737249.

It can be written as a sum of positive squares in only one way, i.e., 14014061161 + 429359841 = 118381^2 + 20721^2 .

It is a super-2 number, since 2×14443421002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14443421009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610855249 + ... + 3610855252.

Almost surely, 2^14443421002 is an apocalyptic number.

14443421002 is a deficient number, since it is larger than the sum of its proper divisors (7221710504).

14443421002 is an equidigital number, since it uses as much as digits as its factorization.

14443421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221710503.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 14443421002 its reverse (20012434441), we get a palindrome (34455855443).

The spelling of 14443421002 in words is "fourteen billion, four hundred forty-three million, four hundred twenty-one thousand, two".