556789069489 has 3 divisors (see below), whose sum is σ = 556789815673. Its totient is φ = 556788323306.

The previous prime is 556789069439. The next prime is 556789069513. The reversal of 556789069489 is 984960987655.

The square root of 556789069489 is 746183.

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

556789069489 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 brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 556789069489 - 2¹⁵ = 556789036721 is a prime.

It is a super-3 number, since 3×556789069489³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556789069439) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 373092 + ... + 1119274.

Almost surely, 2^556789069489 is an apocalyptic number.

556789069489 is the 746183-rd square number.

556789069489 is the 373092-nd centered octagonal number.

It is an amenable number.

556789069489 is a deficient number, since it is larger than the sum of its proper divisors (746184).

556789069489 is an frugal number, since it uses more digits than its factorization.

556789069489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492366 (or 746183 counting only the distinct ones).

The product of its (nonzero) digits is 1175731200, while the sum is 76.

The spelling of 556789069489 in words is "five hundred fifty-six billion, seven hundred eighty-nine million, sixty-nine thousand, four hundred eighty-nine".