21434301334 has 8 divisors (see below), whose sum is σ = 32167118880. Its totient is φ = 10711928376.

The previous prime is 21434301281. The next prime is 21434301377. The reversal of 21434301334 is 43310343412.

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

It is a congruent 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, 2606014 + ... + 2614225.

It is an arithmetic number, because the mean of its divisors is an integer number (4020889860).

Almost surely, 2^21434301334 is an apocalyptic number.

21434301334 is a deficient number, since it is larger than the sum of its proper divisors (10732817546).

21434301334 is a wasteful number, since it uses less digits than its factorization.

21434301334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222294.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21434301334 its reverse (43310343412), we get a palindrome (64744644746).

The spelling of 21434301334 in words is "twenty-one billion, four hundred thirty-four million, three hundred one thousand, three hundred thirty-four".