264846285989 has 2 divisors, whose sum is σ = 264846285990. Its totient is φ = 264846285988.

The previous prime is 264846285931. The next prime is 264846285997. The reversal of 264846285989 is 989582648462.

264846285989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136652212225 + 128194073764 = 369665^2 + 358042^2 .

It is a cyclic number.

It is not a de Polignac number, because 264846285989 - 2¹⁶ = 264846220453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264846285089) 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, 132423142994 + 132423142995.

It is an arithmetic number, because the mean of its divisors is an integer number (132423142995).

Almost surely, 2^264846285989 is an apocalyptic number.

It is an amenable number.

264846285989 is a deficient number, since it is larger than the sum of its proper divisors (1).

264846285989 is an equidigital number, since it uses as much as digits as its factorization.

264846285989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 477757440, while the sum is 71.

The spelling of 264846285989 in words is "two hundred sixty-four billion, eight hundred forty-six million, two hundred eighty-five thousand, nine hundred eighty-nine".