21424242314 has 8 divisors (see below), whose sum is σ = 32140666848. Its totient is φ = 10710686700.

The previous prime is 21424242277. The next prime is 21424242419. The reversal of 21424242314 is 41324242412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698462 + ... + 728489.

It is an arithmetic number, because the mean of its divisors is an integer number (4017583356).

Almost surely, 2^21424242314 is an apocalyptic number.

21424242314 is a deficient number, since it is larger than the sum of its proper divisors (10716424534).

21424242314 is a wasteful number, since it uses less digits than its factorization.

21424242314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434460.

The product of its digits is 12288, while the sum is 29.

Adding to 21424242314 its reverse (41324242412), we get a palindrome (62748484726).

The spelling of 21424242314 in words is "twenty-one billion, four hundred twenty-four million, two hundred forty-two thousand, three hundred fourteen".