28542269313 has 24 divisors (see below), whose sum is σ = 43329773760. Its totient is φ = 18069907680.

The previous prime is 28542269309. The next prime is 28542269321. The reversal of 28542269313 is 31396224582.

28542269313 is a `hidden beast` number, since 2 + 8 + 542 + 2 + 6 + 93 + 13 = 666.

It is not a de Polignac number, because 28542269313 - 2² = 28542269309 is a prime.

It is a super-2 number, since 2×28542269313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28542269363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467218 + ... + 524763.

It is an arithmetic number, because the mean of its divisors is an integer number (1805407240).

Almost surely, 2^28542269313 is an apocalyptic number.

28542269313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28542269313 is a deficient number, since it is larger than the sum of its proper divisors (14787504447).

28542269313 is a wasteful number, since it uses less digits than its factorization.

28542269313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992149 (or 992146 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 28542269313 in words is "twenty-eight billion, five hundred forty-two million, two hundred sixty-nine thousand, three hundred thirteen".