28645761043 has 2 divisors, whose sum is σ = 28645761044. Its totient is φ = 28645761042.

The previous prime is 28645761031. The next prime is 28645761047. The reversal of 28645761043 is 34016754682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28645761043 - 2⁹ = 28645760531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28645760984 and 28645761002.

It is not a weakly prime, because it can be changed into another prime (28645761047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14322880521 + 14322880522.

It is an arithmetic number, because the mean of its divisors is an integer number (14322880522).

Almost surely, 2^28645761043 is an apocalyptic number.

28645761043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28645761043 is an equidigital number, since it uses as much as digits as its factorization.

28645761043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 28645761043 in words is "twenty-eight billion, six hundred forty-five million, seven hundred sixty-one thousand, forty-three".