27274574513 has 2 divisors, whose sum is σ = 27274574514. Its totient is φ = 27274574512.

The previous prime is 27274574491. The next prime is 27274574519. The reversal of 27274574513 is 31547547272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26997118864 + 277455649 = 164308^2 + 16657^2 .

It is a cyclic number.

It is not a de Polignac number, because 27274574513 - 2¹⁸ = 27274312369 is a prime.

It is not a weakly prime, because it can be changed into another prime (27274574519) 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, 13637287256 + 13637287257.

It is an arithmetic number, because the mean of its divisors is an integer number (13637287257).

Almost surely, 2^27274574513 is an apocalyptic number.

It is an amenable number.

27274574513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27274574513 is an equidigital number, since it uses as much as digits as its factorization.

27274574513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 47.

The spelling of 27274574513 in words is "twenty-seven billion, two hundred seventy-four million, five hundred seventy-four thousand, five hundred thirteen".