21334052334 has 32 divisors (see below), whose sum is σ = 48781287936. Its totient is φ = 6093226080.

The previous prime is 21334052309. The next prime is 21334052351. The reversal of 21334052334 is 43325043312.

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 in 15 ways as a sum of consecutive naturals, for example, 26224 + ... + 208220.

It is an arithmetic number, because the mean of its divisors is an integer number (1524415248).

Almost surely, 2^21334052334 is an apocalyptic number.

21334052334 is an abundant number, since it is smaller than the sum of its proper divisors (27447235602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21334052334 is a wasteful number, since it uses less digits than its factorization.

21334052334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184800.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 21334052334 its reverse (43325043312), we get a palindrome (64659095646).

The spelling of 21334052334 in words is "twenty-one billion, three hundred thirty-four million, fifty-two thousand, three hundred thirty-four".