27513875149 has 2 divisors, whose sum is σ = 27513875150. Its totient is φ = 27513875148.

The previous prime is 27513875119. The next prime is 27513875171. The reversal of 27513875149 is 94157831572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24236885124 + 3276990025 = 155682^2 + 57245^2 .

It is a cyclic number.

It is not a de Polignac number, because 27513875149 - 2¹⁷ = 27513744077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27513875096 and 27513875105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27513875119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13756937574 + 13756937575.

It is an arithmetic number, because the mean of its divisors is an integer number (13756937575).

Almost surely, 2^27513875149 is an apocalyptic number.

It is an amenable number.

27513875149 is a deficient number, since it is larger than the sum of its proper divisors (1).

27513875149 is an equidigital number, since it uses as much as digits as its factorization.

27513875149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The spelling of 27513875149 in words is "twenty-seven billion, five hundred thirteen million, eight hundred seventy-five thousand, one hundred forty-nine".