213454252712711 has 4 divisors (see below), whose sum is σ = 213529122674424. Its totient is φ = 213379382751000.

The previous prime is 213454252712677. The next prime is 213454252712713. The reversal of 213454252712711 is 117217252454312.

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

It is a cyclic number.

It is not a de Polignac number, because 213454252712711 - 2²⁶ = 213454185603847 is a prime.

It is a super-2 number, since 2×213454252712711² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213454252712713) 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, 37434976580 + ... + 37434982281.

It is an arithmetic number, because the mean of its divisors is an integer number (53382280668606).

Almost surely, 2^{213454252712711} is an apocalyptic number.

213454252712711 is a deficient number, since it is larger than the sum of its proper divisors (74869961713).

213454252712711 is an equidigital number, since it uses as much as digits as its factorization.

213454252712711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74869961712.

The product of its digits is 940800, while the sum is 47.

The spelling of 213454252712711 in words is "two hundred thirteen trillion, four hundred fifty-four billion, two hundred fifty-two million, seven hundred twelve thousand, seven hundred eleven".