27430978130 has 32 divisors (see below), whose sum is σ = 49506851376. Its totient is φ = 10943299584.

The previous prime is 27430978117. The next prime is 27430978163. The reversal of 27430978130 is 3187903472.

It is a Cunningham number, because it is equal to 165623²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 21427982689 + 6002995441 = 146383^2 + 77479^2 .

It is a super-2 number, since 2×27430978130² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11636912 + ... + 11639268.

Almost surely, 2^27430978130 is an apocalyptic number.

27430978130 is a deficient number, since it is larger than the sum of its proper divisors (22075873246).

27430978130 is a wasteful number, since it uses less digits than its factorization.

27430978130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 27430978130 in words is "twenty-seven billion, four hundred thirty million, nine hundred seventy-eight thousand, one hundred thirty".