21334010504 has 16 divisors (see below), whose sum is σ = 40002829020. Its totient is φ = 10666589440.

The previous prime is 21334010443. The next prime is 21334010507. The reversal of 21334010504 is 40501043312.

It can be written as a sum of positive squares in 2 ways, for example, as 20764233604 + 569776900 = 144098^2 + 23870^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21334010504.

It is not an unprimeable number, because it can be changed into a prime (21334010507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339644 + ... + 397524.

Almost surely, 2^21334010504 is an apocalyptic number.

It is an amenable number.

21334010504 is a deficient number, since it is larger than the sum of its proper divisors (18668818516).

21334010504 is a wasteful number, since it uses less digits than its factorization.

21334010504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103960 (or 103956 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 21334010504 its reverse (40501043312), we get a palindrome (61835053816).

The spelling of 21334010504 in words is "twenty-one billion, three hundred thirty-four million, ten thousand, five hundred four".