264886525688479 has 2 divisors, whose sum is σ = 264886525688480. Its totient is φ = 264886525688478.

The previous prime is 264886525688461. The next prime is 264886525688501. The reversal of 264886525688479 is 974886525688462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264886525688479 - 2⁹ = 264886525687967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264886525688479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264886525688459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132443262844239 + 132443262844240.

It is an arithmetic number, because the mean of its divisors is an integer number (132443262844240).

Almost surely, 2^{264886525688479} is an apocalyptic number.

264886525688479 is a deficient number, since it is larger than the sum of its proper divisors (1).

264886525688479 is an equidigital number, since it uses as much as digits as its factorization.

264886525688479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89181388800, while the sum is 88.

The spelling of 264886525688479 in words is "two hundred sixty-four trillion, eight hundred eighty-six billion, five hundred twenty-five million, six hundred eighty-eight thousand, four hundred seventy-nine".