265140646404539 has 2 divisors, whose sum is σ = 265140646404540. Its totient is φ = 265140646404538.

The previous prime is 265140646404461. The next prime is 265140646404541. The reversal of 265140646404539 is 935404646041562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265140646404539 - 2¹⁶ = 265140646339003 is a prime.

Together with 265140646404541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265140646404589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132570323202269 + 132570323202270.

It is an arithmetic number, because the mean of its divisors is an integer number (132570323202270).

Almost surely, 2^{265140646404539} is an apocalyptic number.

265140646404539 is a deficient number, since it is larger than the sum of its proper divisors (1).

265140646404539 is an equidigital number, since it uses as much as digits as its factorization.

265140646404539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74649600, while the sum is 59.

The spelling of 265140646404539 in words is "two hundred sixty-five trillion, one hundred forty billion, six hundred forty-six million, four hundred four thousand, five hundred thirty-nine".