28134693113 has 2 divisors, whose sum is σ = 28134693114. Its totient is φ = 28134693112.

The previous prime is 28134693101. The next prime is 28134693143. The reversal of 28134693113 is 31139643182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27724914064 + 409779049 = 166508^2 + 20243^2 .

It is a cyclic number.

It is not a de Polignac number, because 28134693113 - 2²⁰ = 28133644537 is a prime.

It is not a weakly prime, because it can be changed into another prime (28134693143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067346556 + 14067346557.

It is an arithmetic number, because the mean of its divisors is an integer number (14067346557).

Almost surely, 2^28134693113 is an apocalyptic number.

It is an amenable number.

28134693113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28134693113 is an equidigital number, since it uses as much as digits as its factorization.

28134693113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The spelling of 28134693113 in words is "twenty-eight billion, one hundred thirty-four million, six hundred ninety-three thousand, one hundred thirteen".