28252394353 has 4 divisors (see below), whose sum is σ = 28259788288. Its totient is φ = 28245000420.

The previous prime is 28252394351. The next prime is 28252394381. The reversal of 28252394353 is 35349325282.

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 28252394353 - 2¹ = 28252394351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28252394351) 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, 3691233 + ... + 3698878.

It is an arithmetic number, because the mean of its divisors is an integer number (7064947072).

Almost surely, 2^28252394353 is an apocalyptic number.

It is an amenable number.

28252394353 is a deficient number, since it is larger than the sum of its proper divisors (7393935).

28252394353 is an equidigital number, since it uses as much as digits as its factorization.

28252394353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393934.

The product of its digits is 1555200, while the sum is 46.

The spelling of 28252394353 in words is "twenty-eight billion, two hundred fifty-two million, three hundred ninety-four thousand, three hundred fifty-three".