28269523353 has 16 divisors (see below), whose sum is σ = 39335408640. Its totient is φ = 18025155984.

The previous prime is 28269523343. The next prime is 28269523391. The reversal of 28269523353 is 35332596282.

It is not a de Polignac number, because 28269523353 - 2⁸ = 28269523097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28269523343) 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, 1282338 + ... + 1304196.

It is an arithmetic number, because the mean of its divisors is an integer number (2458463040).

Almost surely, 2^28269523353 is an apocalyptic number.

28269523353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28269523353 is a deficient number, since it is larger than the sum of its proper divisors (11065885287).

28269523353 is a wasteful number, since it uses less digits than its factorization.

28269523353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40628.

The product of its digits is 2332800, while the sum is 48.

The spelling of 28269523353 in words is "twenty-eight billion, two hundred sixty-nine million, five hundred twenty-three thousand, three hundred fifty-three".