264440245245343 has 2 divisors, whose sum is σ = 264440245245344. Its totient is φ = 264440245245342.

The previous prime is 264440245245311. The next prime is 264440245245389. The reversal of 264440245245343 is 343542542044462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264440245245343 - 2⁵ = 264440245245311 is a prime.

It is a super-2 number, since 2×264440245245343² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264440245242343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132220122622671 + 132220122622672.

It is an arithmetic number, because the mean of its divisors is an integer number (132220122622672).

Almost surely, 2^{264440245245343} is an apocalyptic number.

264440245245343 is a deficient number, since it is larger than the sum of its proper divisors (1).

264440245245343 is an equidigital number, since it uses as much as digits as its factorization.

264440245245343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44236800, while the sum is 52.

The spelling of 264440245245343 in words is "two hundred sixty-four trillion, four hundred forty billion, two hundred forty-five million, two hundred forty-five thousand, three hundred forty-three".