21452113310 has 32 divisors (see below), whose sum is σ = 38795618304. Its totient is φ = 8540532000.

The previous prime is 21452113307. The next prime is 21452113327. The reversal of 21452113310 is 1331125412.

It is a super-3 number, since 3×21452113310³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2083475 + ... + 2093745.

It is an arithmetic number, because the mean of its divisors is an integer number (1212363072).

Almost surely, 2^21452113310 is an apocalyptic number.

21452113310 is a deficient number, since it is larger than the sum of its proper divisors (17343504994).

21452113310 is a wasteful number, since it uses less digits than its factorization.

21452113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 21452113310 its reverse (1331125412), we get a palindrome (22783238722).

The spelling of 21452113310 in words is "twenty-one billion, four hundred fifty-two million, one hundred thirteen thousand, three hundred ten".