928504394561 has 2 divisors, whose sum is σ = 928504394562. Its totient is φ = 928504394560.

The previous prime is 928504394497. The next prime is 928504394599. The reversal of 928504394561 is 165493405829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835613546161 + 92890848400 = 914119^2 + 304780^2 .

It is a cyclic number.

It is not a de Polignac number, because 928504394561 - 2⁶ = 928504394497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 928504394497 and 928504394506.

It is not a weakly prime, because it can be changed into another prime (928504394161) 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, 464252197280 + 464252197281.

It is an arithmetic number, because the mean of its divisors is an integer number (464252197281).

Almost surely, 2^928504394561 is an apocalyptic number.

It is an amenable number.

928504394561 is a deficient number, since it is larger than the sum of its proper divisors (1).

928504394561 is an equidigital number, since it uses as much as digits as its factorization.

928504394561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 928504394561 in words is "nine hundred twenty-eight billion, five hundred four million, three hundred ninety-four thousand, five hundred sixty-one".