531028466089 has 27 divisors (see below), whose sum is σ = 603410978583. Its totient is φ = 466961853600.

The previous prime is 531028466083. The next prime is 531028466153. The reversal of 531028466089 is 980664820135.

The square root of 531028466089 is 728717.

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

It can be written as a sum of positive squares in only one way, i.e., 24073074025 + 506955392064 = 155155^2 + 712008^2 .

It is a de Polignac number, because none of the positive numbers 2^k-531028466089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531028466083) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 248491429 + ... + 248493565.

Almost surely, 2^531028466089 is an apocalyptic number.

531028466089 is the 728717-th square number.

531028466089 is the 364359-th centered octagonal number.

It is an amenable number.

531028466089 is a deficient number, since it is larger than the sum of its proper divisors (72382512494).

531028466089 is an frugal number, since it uses more digits than its factorization.

531028466089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 531028466089 in words is "five hundred thirty-one billion, twenty-eight million, four hundred sixty-six thousand, eighty-nine".