265206262551413 has 4 divisors (see below), whose sum is σ = 265303800716160. Its totient is φ = 265108724386668.

The previous prime is 265206262551379. The next prime is 265206262551437. The reversal of 265206262551413 is 314155262602562.

It is a happy number.

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 265206262551413 - 2²² = 265206258357109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265206262751413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48769078295 + ... + 48769083732.

It is an arithmetic number, because the mean of its divisors is an integer number (66325950179040).

Almost surely, 2^{265206262551413} is an apocalyptic number.

It is an amenable number.

265206262551413 is a deficient number, since it is larger than the sum of its proper divisors (97538164747).

265206262551413 is an equidigital number, since it uses as much as digits as its factorization.

265206262551413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97538164746.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 265206262551413 in words is "two hundred sixty-five trillion, two hundred six billion, two hundred sixty-two million, five hundred fifty-one thousand, four hundred thirteen".