21652600344153 has 32 divisors (see below), whose sum is σ = 29192635920000. Its totient is φ = 14274802492416.

The previous prime is 21652600344139. The next prime is 21652600344203. The reversal of 21652600344153 is 35144300625612.

It is not a de Polignac number, because 21652600344153 - 2¹⁴ = 21652600327769 is a prime.

It is a super-2 number, since 2×21652600344153² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21652600344253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100202001 + ... + 100417857.

It is an arithmetic number, because the mean of its divisors is an integer number (912269872500).

Almost surely, 2^{21652600344153} is an apocalyptic number.

It is an amenable number.

21652600344153 is a deficient number, since it is larger than the sum of its proper divisors (7540035575847).

21652600344153 is a wasteful number, since it uses less digits than its factorization.

21652600344153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217001.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 21652600344153 its reverse (35144300625612), we get a palindrome (56796900969765).

The spelling of 21652600344153 in words is "twenty-one trillion, six hundred fifty-two billion, six hundred million, three hundred forty-four thousand, one hundred fifty-three".