21142034414 has 4 divisors (see below), whose sum is σ = 31713051624. Its totient is φ = 10571017206.

The previous prime is 21142034383. The next prime is 21142034429. The reversal of 21142034414 is 41443024112.

21142034414 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5285508602 + ... + 5285508605.

It is an arithmetic number, because the mean of its divisors is an integer number (7928262906).

Almost surely, 2^21142034414 is an apocalyptic number.

21142034414 is a deficient number, since it is larger than the sum of its proper divisors (10571017210).

21142034414 is a wasteful number, since it uses less digits than its factorization.

21142034414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571017209.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21142034414 its reverse (41443024112), we get a palindrome (62585058526).

The spelling of 21142034414 in words is "twenty-one billion, one hundred forty-two million, thirty-four thousand, four hundred fourteen".