27130670443 has 2 divisors, whose sum is σ = 27130670444. Its totient is φ = 27130670442.

The previous prime is 27130670339. The next prime is 27130670491. The reversal of 27130670443 is 34407603172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27130670443 - 2²¹ = 27128573291 is a prime.

It is not a weakly prime, because it can be changed into another prime (27130670143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13565335221 + 13565335222.

It is an arithmetic number, because the mean of its divisors is an integer number (13565335222).

Almost surely, 2^27130670443 is an apocalyptic number.

27130670443 is a deficient number, since it is larger than the sum of its proper divisors (1).

27130670443 is an equidigital number, since it uses as much as digits as its factorization.

27130670443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 27130670443 in words is "twenty-seven billion, one hundred thirty million, six hundred seventy thousand, four hundred forty-three".