711801004489 has 9 divisors (see below), whose sum is σ = 713393210919. Its totient is φ = 710212349400.

The previous prime is 711801004483. The next prime is 711801004493. The reversal of 711801004489 is 984400108117.

It is a happy number.

The square root of 711801004489 is 843683.

It is a perfect power (a square), and thus also a powerful number.

711801004489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 696348525625 + 15452478864 = 834475^2 + 124308^2 .

It is not a de Polignac number, because 711801004489 - 2¹¹ = 711801002441 is a prime.

It is a super-2 number, since 2×711801004489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711801004483) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 618419064 + ... + 618420214.

Almost surely, 2^711801004489 is an apocalyptic number.

711801004489 is the 843683-rd square number.

711801004489 is the 421842-nd centered octagonal number.

It is an amenable number.

711801004489 is a deficient number, since it is larger than the sum of its proper divisors (1592206430).

711801004489 is an frugal number, since it uses more digits than its factorization.

711801004489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 711801004489 in words is "seven hundred eleven billion, eight hundred one million, four thousand, four hundred eighty-nine".