28563197051 has 2 divisors, whose sum is σ = 28563197052. Its totient is φ = 28563197050.

The previous prime is 28563197027. The next prime is 28563197077. The reversal of 28563197051 is 15079136582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28563197051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28563196987 and 28563197005.

It is not a weakly prime, because it can be changed into another prime (28563197081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281598525 + 14281598526.

It is an arithmetic number, because the mean of its divisors is an integer number (14281598526).

Almost surely, 2^28563197051 is an apocalyptic number.

28563197051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28563197051 is an equidigital number, since it uses as much as digits as its factorization.

28563197051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 28563197051 in words is "twenty-eight billion, five hundred sixty-three million, one hundred ninety-seven thousand, fifty-one".