130784964689 has 4 divisors (see below), whose sum is σ = 138478197924. Its totient is φ = 123091731456.

The previous prime is 130784964683. The next prime is 130784964727. The reversal of 130784964689 is 986469487031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82337433025 + 48447531664 = 286945^2 + 220108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130784964689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130784964683) 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 3 ways as a sum of consecutive naturals, for example, 3846616592 + ... + 3846616625.

It is an arithmetic number, because the mean of its divisors is an integer number (34619549481).

Almost surely, 2^130784964689 is an apocalyptic number.

It is an amenable number.

130784964689 is a deficient number, since it is larger than the sum of its proper divisors (7693233235).

130784964689 is an equidigital number, since it uses as much as digits as its factorization.

130784964689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693233234.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 130784964689 in words is "one hundred thirty billion, seven hundred eighty-four million, nine hundred sixty-four thousand, six hundred eighty-nine".