21442433114 has 4 divisors (see below), whose sum is σ = 32163649674. Its totient is φ = 10721216556.

The previous prime is 21442433063. The next prime is 21442433119. The reversal of 21442433114 is 41133424412.

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., 14240364889 + 7202068225 = 119333^2 + 84865^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21442433119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360608277 + ... + 5360608280.

Almost surely, 2^21442433114 is an apocalyptic number.

21442433114 is a deficient number, since it is larger than the sum of its proper divisors (10721216560).

21442433114 is a wasteful number, since it uses less digits than its factorization.

21442433114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721216559.

The product of its digits is 9216, while the sum is 29.

Adding to 21442433114 its reverse (41133424412), we get a palindrome (62575857526).

The spelling of 21442433114 in words is "twenty-one billion, four hundred forty-two million, four hundred thirty-three thousand, one hundred fourteen".