21652324014 has 16 divisors (see below), whose sum is σ = 43725082752. Its totient is φ = 7147368888.

The previous prime is 21652324013. The next prime is 21652324033. The reversal of 21652324014 is 41042325612.

It is a super-3 number, since 3×21652324014³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21652324013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17517444 + ... + 17518679.

It is an arithmetic number, because the mean of its divisors is an integer number (2732817672).

Almost surely, 2^21652324014 is an apocalyptic number.

21652324014 is an abundant number, since it is smaller than the sum of its proper divisors (22072758738).

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

21652324014 is a wasteful number, since it uses less digits than its factorization.

21652324014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35036231.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 21652324014 its reverse (41042325612), we get a palindrome (62694649626).

The spelling of 21652324014 in words is "twenty-one billion, six hundred fifty-two million, three hundred twenty-four thousand, fourteen".