28014766513 has 2 divisors, whose sum is σ = 28014766514. Its totient is φ = 28014766512.

The previous prime is 28014766511. The next prime is 28014766523. The reversal of 28014766513 is 31566741082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15743222784 + 12271543729 = 125472^2 + 110777^2 .

It is a cyclic number.

It is not a de Polignac number, because 28014766513 - 2¹ = 28014766511 is a prime.

Together with 28014766511, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28014766513.

It is not a weakly prime, because it can be changed into another prime (28014766511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14007383256 + 14007383257.

It is an arithmetic number, because the mean of its divisors is an integer number (14007383257).

Almost surely, 2^28014766513 is an apocalyptic number.

It is an amenable number.

28014766513 is a deficient number, since it is larger than the sum of its proper divisors (1).

28014766513 is an equidigital number, since it uses as much as digits as its factorization.

28014766513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 28014766513 in words is "twenty-eight billion, fourteen million, seven hundred sixty-six thousand, five hundred thirteen".