28842411253 has 4 divisors (see below), whose sum is σ = 29772811648. Its totient is φ = 27912010860.

The previous prime is 28842411239. The next prime is 28842411281. The reversal of 28842411253 is 35211424882.

It is a happy number.

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 28842411253 - 2²⁵ = 28808856821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28842411223) 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, 465200151 + ... + 465200212.

It is an arithmetic number, because the mean of its divisors is an integer number (7443202912).

Almost surely, 2^28842411253 is an apocalyptic number.

It is an amenable number.

28842411253 is a deficient number, since it is larger than the sum of its proper divisors (930400395).

28842411253 is an equidigital number, since it uses as much as digits as its factorization.

28842411253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930400394.

The product of its digits is 122880, while the sum is 40.

The spelling of 28842411253 in words is "twenty-eight billion, eight hundred forty-two million, four hundred eleven thousand, two hundred fifty-three".