28253009750769 has 16 divisors (see below), whose sum is σ = 41856427200000. Its totient is φ = 18835287427728.

The previous prime is 28253009750741. The next prime is 28253009750839. The reversal of 28253009750769 is 96705790035282.

28253009750769 is a `hidden beast` number, since 2 + 8 + 2 + 5 + 30 + 0 + 97 + 507 + 6 + 9 = 666.

It is not a de Polignac number, because 28253009750769 - 2⁹ = 28253009750257 is a prime.

It is a super-2 number, since 2×28253009750769² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28253009752769) 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, 10094247 + ... + 12585699.

It is an arithmetic number, because the mean of its divisors is an integer number (2616026700000).

Almost surely, 2^{28253009750769} is an apocalyptic number.

It is an amenable number.

28253009750769 is a deficient number, since it is larger than the sum of its proper divisors (13603417449231).

28253009750769 is a wasteful number, since it uses less digits than its factorization.

28253009750769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911461 (or 2911455 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 28253009750769 in words is "twenty-eight trillion, two hundred fifty-three billion, nine million, seven hundred fifty thousand, seven hundred sixty-nine".