265245502500443 has 2 divisors, whose sum is σ = 265245502500444. Its totient is φ = 265245502500442.

The previous prime is 265245502500431. The next prime is 265245502500467. The reversal of 265245502500443 is 344005205542562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265245502500443 is a prime.

It is not a weakly prime, because it can be changed into another prime (265245502500413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132622751250221 + 132622751250222.

It is an arithmetic number, because the mean of its divisors is an integer number (132622751250222).

Almost surely, 2^{265245502500443} is an apocalyptic number.

265245502500443 is a deficient number, since it is larger than the sum of its proper divisors (1).

265245502500443 is an equidigital number, since it uses as much as digits as its factorization.

265245502500443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 265245502500443 in words is "two hundred sixty-five trillion, two hundred forty-five billion, five hundred two million, five hundred thousand, four hundred forty-three".