130305505469 has 4 divisors (see below), whose sum is σ = 130310407260. Its totient is φ = 130300603680.

The previous prime is 130305505433. The next prime is 130305505471. The reversal of 130305505469 is 964505503031.

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 105519726244 + 24785779225 = 324838^2 + 157435^2 .

It is a cyclic number.

It is not a de Polignac number, because 130305505469 - 2³⁶ = 61586028733 is a prime.

It is a super-2 number, since 2×130305505469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130305505409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410802 + ... + 2464259.

It is an arithmetic number, because the mean of its divisors is an integer number (32577601815).

Almost surely, 2^130305505469 is an apocalyptic number.

It is an amenable number.

130305505469 is a deficient number, since it is larger than the sum of its proper divisors (4901791).

130305505469 is an equidigital number, since it uses as much as digits as its factorization.

130305505469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901790.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 130305505469 in words is "one hundred thirty billion, three hundred five million, five hundred five thousand, four hundred sixty-nine".