130246644609 has 9 divisors (see below), whose sum is σ = 188135606113. Its totient is φ = 86830374612.

The previous prime is 130246644607. The next prime is 130246644613. The reversal of 130246644609 is 906446642031.

The square root of 130246644609 is 360897.

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

130246644609 is a `hidden beast` number, since 1 + 30 + 2 + 4 + 6 + 6 + 4 + 4 + 609 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 130246644609 - 2¹ = 130246644607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130246644601) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 1022542 + ... + 1142840.

Almost surely, 2^130246644609 is an apocalyptic number.

130246644609 is the 360897-th square number.

130246644609 is the 180449-th centered octagonal number.

It is an amenable number.

130246644609 is a deficient number, since it is larger than the sum of its proper divisors (57888961504).

130246644609 is an frugal number, since it uses more digits than its factorization.

130246644609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240604 (or 120302 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 130246644609 in words is "one hundred thirty billion, two hundred forty-six million, six hundred forty-four thousand, six hundred nine".