24210221253 has 16 divisors (see below), whose sum is σ = 32866485696. Its totient is φ = 15847971840.

The previous prime is 24210221227. The next prime is 24210221327. The reversal of 24210221253 is 35212201242.

It is a de Polignac number, because none of the positive numbers 2^k-24210221253 is a prime.

It is a super-2 number, since 2×24210221253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24210221213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9051 + ... + 220232.

It is an arithmetic number, because the mean of its divisors is an integer number (2054155356).

Almost surely, 2^24210221253 is an apocalyptic number.

It is an amenable number.

24210221253 is a deficient number, since it is larger than the sum of its proper divisors (8656264443).

24210221253 is a wasteful number, since it uses less digits than its factorization.

24210221253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229924.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 24210221253 its reverse (35212201242), we get a palindrome (59422422495).

The spelling of 24210221253 in words is "twenty-four billion, two hundred ten million, two hundred twenty-one thousand, two hundred fifty-three".