264331603235473 has 2 divisors, whose sum is σ = 264331603235474. Its totient is φ = 264331603235472.

The previous prime is 264331603235471. The next prime is 264331603235507. The reversal of 264331603235473 is 374532306133462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260326833814609 + 4004769420864 = 16134647^2 + 2001192^2 .

It is a cyclic number.

It is not a de Polignac number, because 264331603235473 - 2¹ = 264331603235471 is a prime.

Together with 264331603235471, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 264331603235473.

It is not a weakly prime, because it can be changed into another prime (264331603235471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132165801617736 + 132165801617737.

It is an arithmetic number, because the mean of its divisors is an integer number (132165801617737).

Almost surely, 2^{264331603235473} is an apocalyptic number.

It is an amenable number.

264331603235473 is a deficient number, since it is larger than the sum of its proper divisors (1).

264331603235473 is an equidigital number, since it uses as much as digits as its factorization.

264331603235473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 52.

The spelling of 264331603235473 in words is "two hundred sixty-four trillion, three hundred thirty-one billion, six hundred three million, two hundred thirty-five thousand, four hundred seventy-three".