265723061413 has 2 divisors, whose sum is σ = 265723061414. Its totient is φ = 265723061412.

The previous prime is 265723061393. The next prime is 265723061437. The reversal of 265723061413 is 314160327562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265331100609 + 391960804 = 515103^2 + 19798^2 .

It is a cyclic number.

It is not a de Polignac number, because 265723061413 - 2⁵ = 265723061381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265723064413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132861530706 + 132861530707.

It is an arithmetic number, because the mean of its divisors is an integer number (132861530707).

Almost surely, 2^265723061413 is an apocalyptic number.

It is an amenable number.

265723061413 is a deficient number, since it is larger than the sum of its proper divisors (1).

265723061413 is an equidigital number, since it uses as much as digits as its factorization.

265723061413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 265723061413 its reverse (314160327562), we get a palindrome (579883388975).

The spelling of 265723061413 in words is "two hundred sixty-five billion, seven hundred twenty-three million, sixty-one thousand, four hundred thirteen".