28410312253 has 4 divisors (see below), whose sum is σ = 28810457568. Its totient is φ = 28010166940.

The previous prime is 28410312223. The next prime is 28410312269. The reversal of 28410312253 is 35221301482.

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 28410312253 - 2⁵ = 28410312221 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28410312223) 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, 200072551 + ... + 200072692.

It is an arithmetic number, because the mean of its divisors is an integer number (7202614392).

Almost surely, 2^28410312253 is an apocalyptic number.

It is an amenable number.

28410312253 is a deficient number, since it is larger than the sum of its proper divisors (400145315).

28410312253 is an equidigital number, since it uses as much as digits as its factorization.

28410312253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400145314.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 28410312253 in words is "twenty-eight billion, four hundred ten million, three hundred twelve thousand, two hundred fifty-three".