27223989253 has 4 divisors (see below), whose sum is σ = 27224582560. Its totient is φ = 27223395948.

The previous prime is 27223989239. The next prime is 27223989259. The reversal of 27223989253 is 35298932272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27223989253 - 2¹³ = 27223981061 is a prime.

It is a super-2 number, since 2×27223989253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27223989253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27223989259) 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, 221475 + ... + 321712.

It is an arithmetic number, because the mean of its divisors is an integer number (6806145640).

Almost surely, 2^27223989253 is an apocalyptic number.

It is an amenable number.

27223989253 is a deficient number, since it is larger than the sum of its proper divisors (593307).

27223989253 is an equidigital number, since it uses as much as digits as its factorization.

27223989253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593306.

The product of its digits is 3265920, while the sum is 52.

The spelling of 27223989253 in words is "twenty-seven billion, two hundred twenty-three million, nine hundred eighty-nine thousand, two hundred fifty-three".