264748787447 has 2 divisors, whose sum is σ = 264748787448. Its totient is φ = 264748787446.

The previous prime is 264748787383. The next prime is 264748787461. The reversal of 264748787447 is 744787847462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264748787447 - 2⁶ = 264748787383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264748780447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132374393723 + 132374393724.

It is an arithmetic number, because the mean of its divisors is an integer number (132374393724).

Almost surely, 2^264748787447 is an apocalyptic number.

264748787447 is a deficient number, since it is larger than the sum of its proper divisors (1).

264748787447 is an equidigital number, since it uses as much as digits as its factorization.

264748787447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472055808, while the sum is 68.

The spelling of 264748787447 in words is "two hundred sixty-four billion, seven hundred forty-eight million, seven hundred eighty-seven thousand, four hundred forty-seven".