711441891394 has 16 divisors (see below), whose sum is σ = 1149322979448. Its totient is φ = 328337597952.

The previous prime is 711441891317. The next prime is 711441891403. The reversal of 711441891394 is 493198144117.

It can be written as a sum of positive squares in 4 ways, for example, as 554913255625 + 156528635769 = 744925^2 + 395637^2 .

It is a super-2 number, since 2×711441891394² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406537 + ... + 1260220.

Almost surely, 2^711441891394 is an apocalyptic number.

711441891394 is a deficient number, since it is larger than the sum of its proper divisors (437881088054).

711441891394 is a wasteful number, since it uses less digits than its factorization.

711441891394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683189.

The product of its digits is 870912, while the sum is 52.

The spelling of 711441891394 in words is "seven hundred eleven billion, four hundred forty-one million, eight hundred ninety-one thousand, three hundred ninety-four".