27496724971 has 2 divisors, whose sum is σ = 27496724972. Its totient is φ = 27496724970.

The previous prime is 27496724933. The next prime is 27496724977. The reversal of 27496724971 is 17942769472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27496724971 - 2⁹ = 27496724459 is a prime.

It is not a weakly prime, because it can be changed into another prime (27496724977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13748362485 + 13748362486.

It is an arithmetic number, because the mean of its divisors is an integer number (13748362486).

Almost surely, 2^27496724971 is an apocalyptic number.

27496724971 is a deficient number, since it is larger than the sum of its proper divisors (1).

27496724971 is an equidigital number, since it uses as much as digits as its factorization.

27496724971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 58.

The spelling of 27496724971 in words is "twenty-seven billion, four hundred ninety-six million, seven hundred twenty-four thousand, nine hundred seventy-one".