263230656470213 has 4 divisors (see below), whose sum is σ = 263233620834828. Its totient is φ = 263227692105600.

The previous prime is 263230656470141. The next prime is 263230656470293. The reversal of 263230656470213 is 312074656032362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71061140269729 + 192169516200484 = 8429777^2 + 13862522^2 .

It is a cyclic number.

It is not a de Polignac number, because 263230656470213 - 2¹⁴ = 263230656453829 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 (263230656470293) 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, 1482049106 + ... + 1482226707.

It is an arithmetic number, because the mean of its divisors is an integer number (65808405208707).

Almost surely, 2^{263230656470213} is an apocalyptic number.

It is an amenable number.

263230656470213 is a deficient number, since it is larger than the sum of its proper divisors (2964364615).

263230656470213 is an equidigital number, since it uses as much as digits as its factorization.

263230656470213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964364614.

The product of its (nonzero) digits is 6531840, while the sum is 50.

The spelling of 263230656470213 in words is "two hundred sixty-three trillion, two hundred thirty billion, six hundred fifty-six million, four hundred seventy thousand, two hundred thirteen".