28135294699 has 2 divisors, whose sum is σ = 28135294700. Its totient is φ = 28135294698.

The previous prime is 28135294667. The next prime is 28135294751. The reversal of 28135294699 is 99649253182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28135294699 - 2⁵ = 28135294667 is a prime.

It is not a weakly prime, because it can be changed into another prime (28135294799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067647349 + 14067647350.

It is an arithmetic number, because the mean of its divisors is an integer number (14067647350).

Almost surely, 2^28135294699 is an apocalyptic number.

28135294699 is a deficient number, since it is larger than the sum of its proper divisors (1).

28135294699 is an equidigital number, since it uses as much as digits as its factorization.

28135294699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 58.

The spelling of 28135294699 in words is "twenty-eight billion, one hundred thirty-five million, two hundred ninety-four thousand, six hundred ninety-nine".