265236343013 has 4 divisors (see below), whose sum is σ = 279196150560. Its totient is φ = 251276535468.

The previous prime is 265236342971. The next prime is 265236343027. The reversal of 265236343013 is 310343632562.

265236343013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265236343013 - 2⁶ = 265236342949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265236343213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979903745 + ... + 6979903782.

It is an arithmetic number, because the mean of its divisors is an integer number (69799037640).

Almost surely, 2^265236343013 is an apocalyptic number.

It is an amenable number.

265236343013 is a deficient number, since it is larger than the sum of its proper divisors (13959807547).

265236343013 is a wasteful number, since it uses less digits than its factorization.

265236343013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13959807546.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 265236343013 its reverse (310343632562), we get a palindrome (575579975575).

The spelling of 265236343013 in words is "two hundred sixty-five billion, two hundred thirty-six million, three hundred forty-three thousand, thirteen".