27500274931 has 2 divisors, whose sum is σ = 27500274932. Its totient is φ = 27500274930.

The previous prime is 27500274887. The next prime is 27500274937. The reversal of 27500274931 is 13947200572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27500274931 - 2¹⁷ = 27500143859 is a prime.

It is a super-2 number, since 2×27500274931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27500274937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750137465 + 13750137466.

It is an arithmetic number, because the mean of its divisors is an integer number (13750137466).

Almost surely, 2^27500274931 is an apocalyptic number.

27500274931 is a deficient number, since it is larger than the sum of its proper divisors (1).

27500274931 is an equidigital number, since it uses as much as digits as its factorization.

27500274931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 27500274931 in words is "twenty-seven billion, five hundred million, two hundred seventy-four thousand, nine hundred thirty-one".