264313323497 has 4 divisors (see below), whose sum is σ = 264741708756. Its totient is φ = 263884938240.

The previous prime is 264313323493. The next prime is 264313323517. The reversal of 264313323497 is 794323313462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45524196496 + 218789127001 = 213364^2 + 467749^2 .

It is a cyclic number.

It is not a de Polignac number, because 264313323497 - 2² = 264313323493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264313323493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214191704 + ... + 214192937.

It is an arithmetic number, because the mean of its divisors is an integer number (66185427189).

Almost surely, 2^264313323497 is an apocalyptic number.

It is an amenable number.

264313323497 is a deficient number, since it is larger than the sum of its proper divisors (428385259).

264313323497 is an equidigital number, since it uses as much as digits as its factorization.

264313323497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428385258.

The product of its digits is 1959552, while the sum is 47.

The spelling of 264313323497 in words is "two hundred sixty-four billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred ninety-seven".