130444179389 has 4 divisors (see below), whose sum is σ = 130445353500. Its totient is φ = 130443005280.

The previous prime is 130444179317. The next prime is 130444179409. The reversal of 130444179389 is 983971444031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983971444031 = 51347 ⋅19163173.

It can be written as a sum of positive squares in 2 ways, for example, as 32881656889 + 97562522500 = 181333^2 + 312350^2 .

It is a cyclic number.

It is not a de Polignac number, because 130444179389 - 2⁸ = 130444179133 is a prime.

It is a super-2 number, since 2×130444179389² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130444179389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130444172389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400682 + ... + 649179.

It is an arithmetic number, because the mean of its divisors is an integer number (32611338375).

Almost surely, 2^130444179389 is an apocalyptic number.

It is an amenable number.

130444179389 is a deficient number, since it is larger than the sum of its proper divisors (1174111).

130444179389 is a wasteful number, since it uses less digits than its factorization.

130444179389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174110.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 130444179389 in words is "one hundred thirty billion, four hundred forty-four million, one hundred seventy-nine thousand, three hundred eighty-nine".