711138869 has 4 divisors (see below), whose sum is σ = 812730144. Its totient is φ = 609547596.

The previous prime is 711138851. The next prime is 711138877. The reversal of 711138869 is 968831117.

711138869 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 not a de Polignac number, because 711138869 - 2¹² = 711134773 is a prime.

It is a super-2 number, since 2×711138869² = 1011436982005198322, which 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 (711132869) 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, 50795627 + ... + 50795640.

It is an arithmetic number, because the mean of its divisors is an integer number (203182536).

Almost surely, 2^711138869 is an apocalyptic number.

It is an amenable number.

711138869 is a deficient number, since it is larger than the sum of its proper divisors (101591275).

711138869 is a wasteful number, since it uses less digits than its factorization.

711138869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101591274.

The product of its digits is 72576, while the sum is 44.

The square root of 711138869 is about 26667.1871220045. The cubic root of 711138869 is about 892.5888804035.

The spelling of 711138869 in words is "seven hundred eleven million, one hundred thirty-eight thousand, eight hundred sixty-nine".